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Magma
magma: G := TransitiveGroup(41, 5);
Group action invariants
Degree $n$: | $41$ | magma: t, n := TransitiveGroupIdentification(G); n;
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Transitive number $t$: | $5$ | magma: t, n := TransitiveGroupIdentification(G); t;
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Group: | $C_{41}:C_{8}$ | ||
Parity: | $-1$ | magma: IsEven(G);
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Primitive: | yes | magma: IsPrimitive(G);
| magma: NilpotencyClass(G);
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$\card{\Aut(F/K)}$: | $1$ | magma: Order(Centralizer(SymmetricGroup(n), G));
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Generators: | (1,27,32,3,40,14,9,38)(2,13,23,6,39,28,18,35)(4,26,5,12,37,15,36,29)(7,25,19,21,34,16,22,20)(8,11,10,24,33,30,31,17), (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41) | magma: Generators(G);
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Low degree resolvents
|G/N| Galois groups for stem field(s) $2$: $C_2$ $4$: $C_4$ $8$: $C_8$ Resolvents shown for degrees $\leq 47$
Subfields
Prime degree - none
Low degree siblings
There are no siblings with degree $\leq 47$
A number field with this Galois group has no arithmetically equivalent fields.
Conjugacy classes
Label | Cycle Type | Size | Order | Index | Representative |
1A | $1^{41}$ | $1$ | $1$ | $0$ | $()$ |
2A | $2^{20},1$ | $41$ | $2$ | $20$ | $( 2,41)( 3,40)( 4,39)( 5,38)( 6,37)( 7,36)( 8,35)( 9,34)(10,33)(11,32)(12,31)(13,30)(14,29)(15,28)(16,27)(17,26)(18,25)(19,24)(20,23)(21,22)$ |
4A1 | $4^{10},1$ | $41$ | $4$ | $30$ | $( 2,33,41,10)( 3,24,40,19)( 4,15,39,28)( 5, 6,38,37)( 7,29,36,14)( 8,20,35,23)( 9,11,34,32)(12,25,31,18)(13,16,30,27)(17,21,26,22)$ |
4A-1 | $4^{10},1$ | $41$ | $4$ | $30$ | $( 2,10,41,33)( 3,19,40,24)( 4,28,39,15)( 5,37,38, 6)( 7,14,36,29)( 8,23,35,20)( 9,32,34,11)(12,18,31,25)(13,27,30,16)(17,22,26,21)$ |
8A1 | $8^{5},1$ | $41$ | $8$ | $35$ | $( 2,28,33, 4,41,15,10,39)( 3,14,24, 7,40,29,19,36)( 5,27, 6,13,38,16,37,30)( 8,26,20,22,35,17,23,21)( 9,12,11,25,34,31,32,18)$ |
8A-1 | $8^{5},1$ | $41$ | $8$ | $35$ | $( 2,39,10,15,41, 4,33,28)( 3,36,19,29,40, 7,24,14)( 5,30,37,16,38,13, 6,27)( 8,21,23,17,35,22,20,26)( 9,18,32,31,34,25,11,12)$ |
8A3 | $8^{5},1$ | $41$ | $8$ | $35$ | $( 2, 4,10,28,41,39,33,15)( 3, 7,19,14,40,36,24,29)( 5,13,37,27,38,30, 6,16)( 8,22,23,26,35,21,20,17)( 9,25,32,12,34,18,11,31)$ |
8A-3 | $8^{5},1$ | $41$ | $8$ | $35$ | $( 2,15,33,39,41,28,10, 4)( 3,29,24,36,40,14,19, 7)( 5,16, 6,30,38,27,37,13)( 8,17,20,21,35,26,23,22)( 9,31,11,18,34,12,32,25)$ |
41A1 | $41$ | $8$ | $41$ | $40$ | $( 1, 3, 5, 7, 9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41, 2, 4, 6, 8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40)$ |
41A2 | $41$ | $8$ | $41$ | $40$ | $( 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41)$ |
41A4 | $41$ | $8$ | $41$ | $40$ | $( 1,25, 8,32,15,39,22, 5,29,12,36,19, 2,26, 9,33,16,40,23, 6,30,13,37,20, 3,27,10,34,17,41,24, 7,31,14,38,21, 4,28,11,35,18)$ |
41A7 | $41$ | $8$ | $41$ | $40$ | $( 1,22, 2,23, 3,24, 4,25, 5,26, 6,27, 7,28, 8,29, 9,30,10,31,11,32,12,33,13,34,14,35,15,36,16,37,17,38,18,39,19,40,20,41,21)$ |
41A8 | $41$ | $8$ | $41$ | $40$ | $( 1, 5, 9,13,17,21,25,29,33,37,41, 4, 8,12,16,20,24,28,32,36,40, 3, 7,11,15,19,23,27,31,35,39, 2, 6,10,14,18,22,26,30,34,38)$ |
magma: ConjugacyClasses(G);
Malle's constant $a(G)$: $1/20$
Group invariants
Order: | $328=2^{3} \cdot 41$ | 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: | yes | magma: IsSolvable(G);
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Nilpotency class: | not nilpotent | ||
Label: | 328.12 | magma: IdentifyGroup(G);
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Character table: |
1A | 2A | 4A1 | 4A-1 | 8A1 | 8A-1 | 8A3 | 8A-3 | 41A1 | 41A2 | 41A4 | 41A7 | 41A8 | ||
Size | 1 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 8 | 8 | 8 | 8 | 8 | |
2 P | 1A | 1A | 2A | 2A | 4A1 | 4A-1 | 4A-1 | 4A1 | 41A8 | 41A4 | 41A1 | 41A2 | 41A7 | |
41 P | 1A | 2A | 4A1 | 4A-1 | 8A-3 | 8A3 | 8A-1 | 8A1 | 41A7 | 41A8 | 41A2 | 41A4 | 41A1 | |
Type | ||||||||||||||
328.12.1a | R | |||||||||||||
328.12.1b | R | |||||||||||||
328.12.1c1 | C | |||||||||||||
328.12.1c2 | C | |||||||||||||
328.12.1d1 | C | |||||||||||||
328.12.1d2 | C | |||||||||||||
328.12.1d3 | C | |||||||||||||
328.12.1d4 | C | |||||||||||||
328.12.8a1 | R | |||||||||||||
328.12.8a2 | R | |||||||||||||
328.12.8a3 | R | |||||||||||||
328.12.8a4 | R | |||||||||||||
328.12.8a5 | R |
magma: CharacterTable(G);