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Magma
magma: G := TransitiveGroup(20, 288);
Group action invariants
Degree $n$: | $20$ | magma: t, n := TransitiveGroupIdentification(G); n;
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Transitive number $t$: | $288$ | magma: t, n := TransitiveGroupIdentification(G); t;
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Group: | $C_2\wr S_5$ | ||
Parity: | $1$ | magma: IsEven(G);
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Primitive: | no | magma: IsPrimitive(G);
| magma: NilpotencyClass(G);
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$\card{\Aut(F/K)}$: | $4$ | magma: Order(Centralizer(SymmetricGroup(n), G));
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Generators: | (1,7)(2,8)(3,16,10,4,15,9)(5,19,13,6,20,14)(11,17)(12,18), (1,14,5,2,13,6)(3,16,11,4,15,12)(7,17)(8,18)(9,10)(19,20) | magma: Generators(G);
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Low degree resolvents
|G/N| Galois groups for stem field(s) $2$: $C_2$ x 3 $4$: $C_2^2$ $120$: $S_5$ $240$: $S_5\times C_2$ $1920$: $(C_2^4:A_5) : C_2$ Resolvents shown for degrees $\leq 47$
Subfields
Degree 2: $C_2$
Degree 4: None
Degree 5: $S_5$
Degree 10: $S_5\times C_2$, $(C_2^4:A_5) : C_2$, $C_2 \wr S_5$
Low degree siblings
10T39 x 2, 20T275, 20T279 x 2, 20T285 x 2, 20T288, 20T289 x 2, 30T517 x 2, 30T524 x 2, 32T206825 x 2, 40T2728 x 2, 40T2731 x 2, 40T2748, 40T2749, 40T2757 x 2, 40T2771 x 2, 40T2772 x 2, 40T2773 x 2, 40T2774 x 2, 40T2779 x 2, 40T2780 x 2, 40T2781 x 2, 40T2782 x 2, 40T2798, 40T2839 x 2Siblings are shown with degree $\leq 47$
A number field with this Galois group has no arithmetically equivalent fields.
Conjugacy classes
Cycle Type | Size | Order | Representative |
$ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 $ | $1$ | $1$ | $()$ |
$ 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 $ | $10$ | $2$ | $( 7,18)( 8,17)( 9,20)(10,19)$ |
$ 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1 $ | $5$ | $2$ | $( 1,12)( 2,11)( 3,14)( 4,13)( 7,18)( 8,17)( 9,20)(10,19)$ |
$ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 $ | $1$ | $2$ | $( 1,11)( 2,12)( 3,13)( 4,14)( 5,15)( 6,16)( 7,17)( 8,18)( 9,19)(10,20)$ |
$ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 $ | $10$ | $2$ | $( 1,11)( 2,12)( 3,13)( 4,14)( 5,15)( 6,16)( 7, 8)( 9,10)(17,18)(19,20)$ |
$ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 $ | $5$ | $2$ | $( 1, 2)( 3, 4)( 5,15)( 6,16)( 7, 8)( 9,10)(11,12)(13,14)(17,18)(19,20)$ |
$ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 $ | $20$ | $2$ | $( 1, 7)( 2, 8)( 3, 4)( 5, 6)( 9,10)(11,17)(12,18)(13,14)(15,16)(19,20)$ |
$ 4, 4, 2, 2, 2, 2, 2, 2 $ | $60$ | $4$ | $( 1,18,12, 7)( 2,17,11, 8)( 3, 4)( 5, 6)( 9,19)(10,20)(13,14)(15,16)$ |
$ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 $ | $60$ | $2$ | $( 1,18)( 2,17)( 3,13)( 4,14)( 5, 6)( 7,12)( 8,11)( 9,19)(10,20)(15,16)$ |
$ 4, 4, 2, 2, 2, 2, 2, 2 $ | $20$ | $4$ | $( 1, 7,12,18)( 2, 8,11,17)( 3,13)( 4,14)( 5,15)( 6,16)( 9,19)(10,20)$ |
$ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 $ | $20$ | $2$ | $( 1,17)( 2,18)( 3,14)( 4,13)( 5,16)( 6,15)( 7,11)( 8,12)( 9,20)(10,19)$ |
$ 4, 4, 2, 2, 2, 2, 1, 1, 1, 1 $ | $60$ | $4$ | $( 1, 8,12,17)( 2, 7,11,18)( 3,14)( 4,13)( 5,16)( 6,15)$ |
$ 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1 $ | $60$ | $2$ | $( 1, 8)( 2, 7)( 5,16)( 6,15)(11,18)(12,17)$ |
$ 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 $ | $20$ | $4$ | $( 1,17,12, 8)( 2,18,11, 7)$ |
$ 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1 $ | $60$ | $2$ | $( 1, 8)( 2, 7)( 3,15)( 4,16)( 5,13)( 6,14)(11,18)(12,17)$ |
$ 4, 4, 2, 2, 2, 2, 2, 2 $ | $120$ | $4$ | $( 1,17,12, 8)( 2,18,11, 7)( 3,15)( 4,16)( 5,13)( 6,14)( 9,20)(10,19)$ |
$ 4, 4, 4, 4, 1, 1, 1, 1 $ | $60$ | $4$ | $( 1, 8,12,17)( 2, 7,11,18)( 3,15,14, 6)( 4,16,13, 5)$ |
$ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 $ | $60$ | $2$ | $( 1,18)( 2,17)( 3, 5)( 4, 6)( 7,12)( 8,11)( 9,19)(10,20)(13,15)(14,16)$ |
$ 4, 4, 2, 2, 2, 2, 2, 2 $ | $120$ | $4$ | $( 1, 7,12,18)( 2, 8,11,17)( 3, 5)( 4, 6)( 9,10)(13,15)(14,16)(19,20)$ |
$ 4, 4, 4, 4, 2, 2 $ | $60$ | $4$ | $( 1,18,12, 7)( 2,17,11, 8)( 3, 5,14,16)( 4, 6,13,15)( 9,19)(10,20)$ |
$ 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1 $ | $80$ | $3$ | $( 1, 8, 4)( 2, 7, 3)(11,18,14)(12,17,13)$ |
$ 6, 6, 2, 2, 1, 1, 1, 1 $ | $160$ | $6$ | $( 1,17,13,12, 8, 4)( 2,18,14,11, 7, 3)( 9,20)(10,19)$ |
$ 3, 3, 3, 3, 2, 2, 2, 2 $ | $80$ | $6$ | $( 1, 8, 4)( 2, 7, 3)( 5,16)( 6,15)( 9,20)(10,19)(11,18,14)(12,17,13)$ |
$ 6, 6, 2, 2, 2, 2 $ | $80$ | $6$ | $( 1,18, 4,11, 8,14)( 2,17, 3,12, 7,13)( 5,15)( 6,16)( 9,19)(10,20)$ |
$ 6, 6, 2, 2, 2, 2 $ | $160$ | $6$ | $( 1, 7,13, 2, 8,14)( 3,12,18, 4,11,17)( 5,15)( 6,16)( 9,10)(19,20)$ |
$ 6, 6, 2, 2, 2, 2 $ | $80$ | $6$ | $( 1,18, 4,11, 8,14)( 2,17, 3,12, 7,13)( 5, 6)( 9,10)(15,16)(19,20)$ |
$ 6, 6, 2, 2, 2, 2 $ | $160$ | $6$ | $( 1, 8,13,12,17, 4)( 2, 7,14,11,18, 3)( 5,20)( 6,19)( 9,16)(10,15)$ |
$ 4, 4, 3, 3, 3, 3 $ | $160$ | $12$ | $( 1,17, 4)( 2,18, 3)( 5, 9,16,20)( 6,10,15,19)( 7,14,11)( 8,13,12)$ |
$ 6, 6, 2, 2, 2, 2 $ | $160$ | $6$ | $( 1,18,13, 2,17,14)( 3,12, 7, 4,11, 8)( 5,10)( 6, 9)(15,20)(16,19)$ |
$ 6, 6, 4, 4 $ | $160$ | $12$ | $( 1, 7, 4,11,17,14)( 2, 8, 3,12,18,13)( 5,19,16,10)( 6,20,15, 9)$ |
$ 8, 8, 1, 1, 1, 1 $ | $240$ | $8$ | $( 1, 8,13, 5,12,17, 4,16)( 2, 7,14, 6,11,18, 3,15)$ |
$ 4, 4, 4, 4, 2, 2 $ | $240$ | $4$ | $( 1,17, 4,16)( 2,18, 3,15)( 5,12, 8,13)( 6,11, 7,14)( 9,20)(10,19)$ |
$ 8, 8, 2, 2 $ | $240$ | $8$ | $( 1,18,13,15,12, 7, 4, 6)( 2,17,14,16,11, 8, 3, 5)( 9,19)(10,20)$ |
$ 4, 4, 4, 4, 2, 2 $ | $240$ | $4$ | $( 1, 7, 4, 6)( 2, 8, 3, 5)( 9,10)(11,17,14,16)(12,18,13,15)(19,20)$ |
$ 5, 5, 5, 5 $ | $384$ | $5$ | $( 1, 8, 4,16, 9)( 2, 7, 3,15,10)( 5,20,12,17,13)( 6,19,11,18,14)$ |
$ 10, 10 $ | $384$ | $10$ | $( 1,18, 4, 6, 9,11, 8,14,16,19)( 2,17, 3, 5,10,12, 7,13,15,20)$ |
magma: ConjugacyClasses(G);
Group invariants
Order: | $3840=2^{8} \cdot 3 \cdot 5$ | magma: Order(G);
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Cyclic: | no | magma: IsCyclic(G);
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Abelian: | no | magma: IsAbelian(G);
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Solvable: | no | magma: IsSolvable(G);
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Nilpotency class: | not nilpotent | ||
Label: | 3840.ch | magma: IdentifyGroup(G);
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Character table: not available. |
magma: CharacterTable(G);