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升级   52% TA的每日心情 | 开心 2012-1-13 11:05 |
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签到天数: 15 天 [LV.4]偶尔看看III
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对着S4群表看下面就能懂了,我曾把26字母乘群表带身上2月多
7 i v) k5 \. C5 r1 C6 ?
) f6 r$ m. W; m0 g1 W9 }/ GS4 := Sym({ "a", "b", "c", "d" });) c. V/ w4 O& x( F, p5 J
> S4;, z P. n, h9 a6 Z
Generators(S4);
7 a6 w- H" U( ^IsAbelian(S4);不是交换群
; l9 }, A! y3 [& w) w1 fSubgroups(S4: Al := "All") ;列出所有子群' u. ?6 ?# W2 n: e- X
Subgroups(S4: Al := "Maximal") ;列出所有极大子群' T3 A! i& Q- u# f8 `3 I
$ H$ O/ ^& |8 w W6 j6 x/ y% o( j
SubgroupClasses(S4);
1 ~7 l% c0 ~- D
`$ p- O4 T7 rNormalSubgroups(S4);
5 c. D) L. ]7 l' {. \4 EAbelianSubgroups(S4) ;
, P9 z9 K' o- a- {& M5 x. FMaximalSubgroups(S4) ;0 ]# l) Q. G% W
) P2 a6 V- a) m1 ` YSubgroupLattice(S4);成格,你可画下这群包扩子群的图, a9 d8 c2 m0 F$ n
" G/ ~9 j0 R) R, EGSet(S4);
/ \3 F. Q( r6 ^6 f, oConjugacyClasses(S4);# u2 b k0 T$ Z7 F$ q
NumberOfClasses(S4) ; 5类" B0 w, I" q% o/ j* ?( ?0 B
2 E( W: R; V$ ]: Y T4 [1 q C* pSymmetric group S4 acting on a set of cardinality 4" {$ [+ D4 ?: U; o2 j; s B
Order = 24 = 2^3 * 3# }9 [3 w* \: I' R* R5 s/ Q6 c# T
{2 p" Z4 v. l2 V# W
(c, b, a, d), n5 _ J& C( B
(c, b)! u! z z. S) r M1 U( K; S
} 两生成元% B) N. s) K" a+ I
false
! r0 Q( ?4 H9 ?. gConjugacy classes of subgroups 子群共扼类
! i# C* t/ X" r; L( n1 _------------------------------7 B0 l$ g% R/ Q0 n, F* D8 h
2 r" N- }/ F9 e9 B2 u( R' ][ 1] Order 1 Length 1; T' m' ~2 ?, h& b
Permutation group acting on a set of cardinality 4
* y+ N: t5 G3 m4 X1 i: `. ^ Order = 1
$ a- k# H9 d, ^9 l. X% v2 H8 M5 a[ 2] Order 2 Length 33 ^ h2 P3 R; e% b4 d5 K
Permutation group acting on a set of cardinality 4
; W8 T1 v; i3 K3 h ^+ I/ v. \1 v Order = 2
: M8 z* m; P9 x: _ (c, d)(b, a)
2 A" s: |3 L3 Y& ^[ 3] Order 2 Length 6
0 V% H# f C/ c- d, z7 F Permutation group acting on a set of cardinality 4' }/ |* f. V) ?) Q
Order = 2
' s& } W8 {( u (a, d); ^3 Y& p- W8 l9 A7 h) }
[ 4] Order 3 Length 4
! a0 v1 m4 y, @" `8 l Permutation group acting on a set of cardinality 4
: f5 Y5 i7 n+ |" k- [; Q6 X. E Order = 3
, q9 L& f* ~! _ (b, a, d)/ w/ l. T2 ?3 e2 ~7 D* f
[ 5] Order 4 Length 16 ]1 p9 v9 q/ G0 P8 v; e" c! |
Permutation group acting on a set of cardinality 4) S* P* p5 d. p8 @
Order = 4 = 2^2
$ y/ p% Z8 r6 X* B (c, d)(b, a)$ R% h8 B* W7 h: _9 _
(c, a)(b, d)4 y6 T4 \7 W( Z) i {
[ 6] Order 4 Length 3
~ g3 z3 Q# j0 v7 h8 l2 V Permutation group acting on a set of cardinality 4- [5 a( q8 P) W( Y- H5 |: [ b
Order = 4 = 2^20 i3 e% A7 B8 ^* r& Q
(c, d, b, a)& s* M$ h; Q( T# T& q
(c, b)(a, d)
2 C8 r' O% H! {- q[ 7] Order 4 Length 3% Q( s, P9 s1 k
Permutation group acting on a set of cardinality 4
: j/ E! }3 t, M# s' Z% P; D Order = 4 = 2^2
' U4 Y. o: d" j8 A8 ~& K (a, d): M) \( a3 k" d$ S5 G
(c, b)(a, d): u0 h; n I4 h" X
[ 8] Order 6 Length 4
; F3 Y' W6 J5 A/ Y% V# ?# W+ z Permutation group acting on a set of cardinality 4
: r7 B( ]5 E M) u: ]8 g Order = 6 = 2 * 3
6 K2 i- \/ M9 t% d- p (a, d)3 m$ A" @- J7 ?* r
(b, a, d)
3 ~* @! i$ S# Z8 v& F, B[ 9] Order 8 Length 3
) P* q2 C+ ~) Q4 n6 W7 p- e% C Permutation group acting on a set of cardinality 43 A) L. L' b. ^; `
Order = 8 = 2^30 b. x& Q! ~3 R
(a, d)$ e) R$ a9 t0 ?4 R0 f5 f7 S7 ]* Q( z( X8 a
(c, d)(b, a)' ~7 z! s. X8 M2 D c
(c, a)(b, d)' P; w/ u4 ^; q5 r1 U0 C Q- t
[10] Order 12 Length 1
) t0 O3 J, z$ V" P6 q2 ]9 U Permutation group acting on a set of cardinality 4# Y4 z: g4 K. ?$ g
Order = 12 = 2^2 * 3
( `+ r- d% s; v1 U: q+ Y% g (b, a, d)
1 {6 k. }7 _) q8 K (c, d)(b, a) @/ V. g! m2 a
(c, a)(b, d)
5 `/ Z$ a5 G4 M& r- m[11] Order 24 Length 1
" g9 [" J/ R2 Q5 h Permutation group acting on a set of cardinality 4
+ S$ v0 _4 u6 x# F: a; w$ q Order = 24 = 2^3 * 38 j, ^- j$ {9 I6 T
(a, d)
# H( j4 N* g) ~7 w (b, a, d)6 T. Z! y% S: |, R
(c, d)(b, a)0 E2 A1 d9 T" G. L% ~
(c, a)(b, d)
* F: r% |: l* V, K" P* cConjugacy classes of subgroups
+ x" |+ b9 J) ~) {------------------------------: D0 u+ a+ X; H
, H8 ~+ I6 @+ J& `
[1] Order 6 Length 4& Q% _* _$ L, h/ \3 }
Permutation group acting on a set of cardinality 4" }7 g8 r5 q% C2 E7 ~& c/ @- v
Order = 6 = 2 * 30 B1 X6 T' k" |7 D* o. h1 N6 o. R
(a, d)
" t1 F! M7 E* ~/ ^ I7 ` (b, a, d)( r- x& K/ {% l+ p2 h! l
[2] Order 8 Length 3
% Q* f* N% Y9 b* y/ L& d8 P- ~ Permutation group acting on a set of cardinality 4( n* e" O& x* q" m7 c
Order = 8 = 2^3- o4 l E' d, B& n
(a, d)
1 V- J" r! e$ a) v+ P( p; u: ] (c, d)(b, a)6 L8 s3 \/ Q( Y. g6 Z( r
(c, a)(b, d)# [) \: E$ J5 v. a6 |, h) @
[3] Order 12 Length 12 l8 D: g: a- E! _
Permutation group acting on a set of cardinality 4# A4 E( C0 W& W9 e- W: p; p
Order = 12 = 2^2 * 3
" h; @: ?" v6 R4 U$ E; D) Y0 [ (b, a, d)
/ n o3 o8 p2 \ (c, d)(b, a)
+ H% x* |# L7 {8 ^5 N. [2 c (c, a)(b, d); g1 m, Y9 ~2 e; q2 r5 V* ]
Conjugacy classes of subgroups1 m }6 L3 |, T" D+ {
------------------------------
: f% D1 g1 m( R. o3 G, b
2 |; u4 h7 ^& `- d4 @[ 1] Order 1 Length 16 u( V: A; s+ _
Permutation group acting on a set of cardinality 4
0 i/ w& R4 F/ X9 f5 r& ]# U) A5 l Order = 1
/ y4 B3 |, a, R) Z: p[ 2] Order 2 Length 3
) N. s ?9 L/ x' r0 \, Z Permutation group acting on a set of cardinality 4
' W7 n: T/ L5 B" R3 G. ^3 H( h Order = 28 z* }, g) ~/ j/ O# V0 N% Z
(c, d)(b, a)
; X S/ ~2 |" W% M[ 3] Order 2 Length 6
: c! K- h: t2 o3 N. w Permutation group acting on a set of cardinality 4
2 \5 E1 s2 E1 K$ c% t; i Order = 2( v- S7 \3 \! t F1 M
(a, d)
: A$ N+ {# m4 I% M- _% {$ X[ 4] Order 3 Length 42 k m& }; x: ^5 g
Permutation group acting on a set of cardinality 4" `( t7 r9 E" b5 W9 B+ F- I$ a
Order = 3% }4 Y* a5 \, }
(b, a, d)$ [: b; S0 W0 _6 J# D: G
[ 5] Order 4 Length 1
' L" d' B! ]5 M Permutation group acting on a set of cardinality 4! O, S2 D3 E0 a) I; x
Order = 4 = 2^2
2 b; e8 X- Y6 u: | (c, d)(b, a)
0 A6 n7 }' V1 a (c, a)(b, d)
& J4 N6 L. }4 `3 E) N' N& I- O[ 6] Order 4 Length 3
: o/ W$ S1 I% y) U+ L8 C Permutation group acting on a set of cardinality 41 X W( s9 S5 ] V: {+ b
Order = 4 = 2^26 S5 I; }! {6 A' ~: R" L! m
(c, d, b, a)
8 f% q: _9 S9 f1 j8 y8 ~ (c, b)(a, d)
0 U1 i6 J, k% E! l[ 7] Order 4 Length 3
, Q/ m6 E% C3 }1 p3 g w" M Permutation group acting on a set of cardinality 4
- ?( Q, ]5 M# d1 _ Order = 4 = 2^2
# @( V5 ]1 U) P, D7 d: o# j (a, d)
3 p" t. o. ? I0 Z$ s5 Q (c, b)(a, d)
5 C1 z) y0 X7 ^ U[ 8] Order 6 Length 4
1 E% X8 }- D# j& y, T/ Z9 o Permutation group acting on a set of cardinality 4
( J, q2 G# E: K0 p Order = 6 = 2 * 3$ |* X( l6 y: e a8 X
(a, d)0 n# R( k3 F8 N0 y. S
(b, a, d)+ W! ]/ n I+ r# k# z
[ 9] Order 8 Length 32 m0 n; y4 Q! e( J; w! w! q* B/ c7 J
Permutation group acting on a set of cardinality 4( C, ?$ i- P3 Q, t
Order = 8 = 2^3
. i1 _5 k8 b) l9 w6 e1 N& c7 x (a, d)& r6 [: @% Z6 [ F8 Y2 X. K, e# N q" B
(c, d)(b, a)% Z1 @# ~+ o3 T
(c, a)(b, d), l+ Z. @# W; f1 A* f
[10] Order 12 Length 17 `, q/ ]) z+ N! d- f2 u$ N
Permutation group acting on a set of cardinality 4
4 @) i, [/ T! f0 W z) n Order = 12 = 2^2 * 3$ f" r% A; l3 E. L
(b, a, d)- ~6 |, S8 T' V4 u. C
(c, d)(b, a)5 m. n* {( Z( b4 F ]4 x+ ?# J
(c, a)(b, d)
( E' h8 i6 x0 c P8 Y1 {[11] Order 24 Length 1$ A) A) ? Z; s- k/ c3 u
Permutation group acting on a set of cardinality 49 b( K1 t7 Y2 \* g+ v, M
Order = 24 = 2^3 * 3
6 I2 e- [8 Q# r0 Q& g+ b4 ] (a, d) J* _% p0 g: k e
(b, a, d)
5 C# f5 @1 F4 g- e (c, d)(b, a)
: H5 n4 |: q' _5 p1 K (c, a)(b, d)
* }5 k, N! V- _/ ~% J: kConjugacy classes of subgroups
0 u+ n. Z9 R' T8 s a, F3 A! i( t------------------------------0 Y3 y* a) c2 b6 m4 G
9 b0 m: L7 v/ ]) A B' x$ |3 R- [[1] Order 1 Length 1
' A/ Q2 ~4 X/ [' G+ X Permutation group acting on a set of cardinality 4
1 i' \' h8 E9 f4 T3 H+ Q. s, |7 q Order = 1: g' g, z9 j* O! Q
[2] Order 4 Length 10 B; P% |. e) a7 t9 h. l) d, C
Permutation group acting on a set of cardinality 4) N9 t1 o' Y# Z
Order = 4 = 2^2
: [- O- M! l6 M. |5 n (c, d)(b, a)1 U$ |' ?4 `+ L [- \ D
(c, a)(b, d)+ T% T: f* @! N$ i
[3] Order 12 Length 1
! n6 `3 L9 |0 n+ o, F8 o Permutation group acting on a set of cardinality 4, U/ X+ x' F) O0 Q9 G1 W. m& E+ R; u
Order = 12 = 2^2 * 3
8 O8 e4 J7 e" m$ N$ i (b, a, d)
7 ~( G* o/ W$ }1 @6 n (c, d)(b, a)0 V) V7 R% Q+ n
(c, a)(b, d)
2 {7 x4 e) B0 t[4] Order 24 Length 15 J) n- E, c! I
Permutation group acting on a set of cardinality 4
' s) U# i+ g6 C" ]! T3 F7 x# q Order = 24 = 2^3 * 3
9 w+ C/ \. d8 l& ]8 ~2 s' c (a, d)7 ]0 ?0 c2 @$ j7 R5 R/ w
(b, a, d)' P6 L- @# C' r4 ^$ C1 K) m
(c, d)(b, a)
* E, V3 |, S. y" n (c, a)(b, d)
* ~9 ~7 Q" z9 S% bConjugacy classes of subgroups
. m5 w5 d) [0 n( i' N------------------------------+ i. F* G! F" `' y! l% z4 q- D
/ O8 A! @. M: `3 T/ |) Z
[1] Order 1 Length 1
3 ~2 i- r$ n) H$ E. e0 l7 v Permutation group acting on a set of cardinality 4
- v' Q2 s P) Z0 X Order = 18 n. A0 ]' g2 ^+ e! G8 u. c& F
[2] Order 2 Length 3
y$ E5 ~; q+ ` Permutation group acting on a set of cardinality 4
: T5 u/ @! w( L! m) D: B I9 T Order = 2
# y$ P5 G9 y% R% }4 i& M1 W (c, d)(b, a)4 t4 n4 B" @5 c
[3] Order 2 Length 6/ C" ?! }8 B C( `5 n
Permutation group acting on a set of cardinality 42 t- Z: l5 i- @
Order = 2
+ Z4 q2 k3 I! }; e( ]# F- ]: x (a, d)8 {+ O4 ?' |* H# [; ?8 e
[4] Order 3 Length 4
5 A' Z @9 a. l: |, F2 R Permutation group acting on a set of cardinality 4 o2 _$ c& f# i' l5 ^) q8 y* _
Order = 3! z+ U t1 Y* e' V n
(b, a, d)
6 P! p. J d; S[5] Order 4 Length 1! a: x; O) t M: W: g
Permutation group acting on a set of cardinality 4
8 A" M) l% q0 i Order = 4 = 2^29 p* k1 r, s/ {
(c, d)(b, a)' {! F- V% |2 \5 F- ]
(c, a)(b, d)
6 @+ S+ ]! S- D1 I. M6 @0 c0 ][6] Order 4 Length 3/ A/ M: i5 i) _% [" C
Permutation group acting on a set of cardinality 4
$ I j, G$ C5 K" l& l/ Q Order = 4 = 2^2
$ D6 j! v: a4 Y (c, d, b, a)/ K4 Z( q' z) s3 y0 N
(c, b)(a, d)3 r- _! h0 h# U# B2 l
[7] Order 4 Length 3( D% g3 t1 D6 w
Permutation group acting on a set of cardinality 4
) {' g' q2 t1 f" w4 q Order = 4 = 2^2
% {% {) T% l t2 r; V$ g (a, d)
& e& A4 Q( R" a& ?3 J+ G (c, b)(a, d)
- W! F4 ^) m+ H0 ]; kConjugacy classes of subgroups
9 }- f0 a% R1 Z2 d( h! A------------------------------" Q d( `# M' T6 Q
2 O9 m. K7 E. h$ o8 ~[1] Order 6 Length 40 N# G1 o {; |- d5 Y( b
Permutation group acting on a set of cardinality 4: o! ^7 ?- P1 j( E2 P
Order = 6 = 2 * 3, e% y) X$ I5 V, h+ K" x* y4 Z5 g3 U
(a, d)8 Y4 y, ?5 a+ i3 w* r: X, s
(b, a, d)
5 p7 w* L: v$ k; t4 W# h% w[2] Order 8 Length 3* V3 W* r+ F' O7 f
Permutation group acting on a set of cardinality 4
[' a8 W0 O' Z, |9 j0 h% N Order = 8 = 2^31 i! K, C9 b; a$ O6 ^, U2 P% k Z8 G
(a, d)
$ I4 n; j# @0 |3 M: M4 M (c, d)(b, a)' d, y2 D& |9 V7 F7 }+ F; L
(c, a)(b, d)6 J: @ J* h, g; _ n
[3] Order 12 Length 1
" s7 g0 J1 l' } Permutation group acting on a set of cardinality 4% O6 w8 o7 G5 R
Order = 12 = 2^2 * 3: J. G, ?6 |; n
(b, a, d)! j H3 _% _. H
(c, d)(b, a)5 b. B6 H2 _0 Z0 `' ^2 W1 H
(c, a)(b, d)
9 q, p' n3 b+ ?4 O, V8 a+ A% p* m
Partially ordered set of subgroup classes4 k6 D0 q6 C; H' @& `* f9 a6 |6 t; g
-----------------------------------------
5 V! G! p) q% [1 }/ R, M4 Y- ?& p" a! n* P/ f+ I' N2 p
[11] Order 24 Length 1 Maximal Subgroups: 8 9 10/ o2 E) Y; v5 @
---
) W* v, O" U. f$ `; `[10] Order 12 Length 1 Maximal Subgroups: 4 5' z+ E/ L' E+ z4 L
[ 9] Order 8 Length 3 Maximal Subgroups: 5 6 7' }" f& ]1 Q. b" |. a5 n
---9 A/ r- Q) Y3 z4 F3 N" B
[ 8] Order 6 Length 4 Maximal Subgroups: 3 4
( G1 p% ] ^1 d8 c$ v[ 7] Order 4 Length 3 Maximal Subgroups: 2; k; n7 o l& o
[ 6] Order 4 Length 3 Maximal Subgroups: 2 3
8 U6 c# _3 x1 T[ 5] Order 4 Length 1 Maximal Subgroups: 27 k5 s, n7 [! T- K
---" P7 t* [7 X+ a$ R; f
[ 4] Order 3 Length 4 Maximal Subgroups: 1
/ w' ?' _; ~' B[ 3] Order 2 Length 6 Maximal Subgroups: 12 d$ Y- p0 E Y0 j7 ^0 M& a
[ 2] Order 2 Length 3 Maximal Subgroups: 1
; t' l, ^# E$ S# D* X---4 T! s- K: a! O; i
[ 1] Order 1 Length 1 Maximal Subgroups:* [: y2 Y/ ?4 F& v
& F7 K$ V# d& y+ h5 Y+ hGSet{@ c, b, a, d @}
+ V9 m, ]+ e! Y" g0 J- r- \" f: `Conjugacy Classes of group S43 z* n5 p5 G. M# T# N
-----------------------------0 W0 t3 P- s+ @1 O5 D* i
[1] Order 1 Length 1
" H$ J2 m, I) J1 ?/ A; K t$ \ Rep Id(S4)
$ z. C' f( Y# I9 r5 g2 T/ f- H( _; y8 C4 n
[2] Order 2 Length 3
3 c( _5 [" K m, w& v6 r6 } Rep (c, b)(a, d)6 P' R: m0 b ]; X% w% U4 J+ N
6 r" K( q4 @ V[3] Order 2 Length 6
$ ~* M" h p# \# p5 @+ U Rep (c, b)' P8 j7 D: L$ \5 K& c0 ^; ]5 o+ [
3 g! f# W# i3 P: |! _2 U4 n
[4] Order 3 Length 8 ( t* h, N5 u9 p/ k$ R
Rep (c, b, a)
; G* Q& f1 f/ g& P+ K' ^, Q, x3 S2 |/ j, }, A, o
[5] Order 4 Length 6
, i: q) j+ ]$ `! p# t2 J5 R) F Rep (c, b, a, d)
; E0 \! I+ p8 {- w {& j$ Z
& X G+ c2 b9 }8 @+ k7 A3 V) s5 P6 h& U: N$ x
5 |
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