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Magma
magma: G := TransitiveGroup(41, 7);
Group action invariants
Degree $n$: | $41$ | magma: t, n := TransitiveGroupIdentification(G); n;
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Transitive number $t$: | $7$ | magma: t, n := TransitiveGroupIdentification(G); t;
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Group: | $C_{41}:C_{20}$ | ||
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: | (1,36,25,39,10,32,4,21,18,33,40,5,16,2,31,9,37,20,23,8)(3,26,34,35,30,14,12,22,13,17,38,15,7,6,11,27,29,19,28,24), (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) $2$: $C_2$ $4$: $C_4$ $5$: $C_5$ $10$: $C_{10}$ $20$: 20T1 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 | $4^{10},1$ | $41$ | $4$ | $30$ | $( 2,10,41,33)( 3,19,40,24)( 4,28,39,15)( 5,37,38, 6)( 7,14,36,29)( 8,23,35,20)( 9,32,34,11)(12,18,31,25)(13,27,30,16)(17,22,26,21)$ |
4A-1 | $4^{10},1$ | $41$ | $4$ | $30$ | $( 2,33,41,10)( 3,24,40,19)( 4,15,39,28)( 5, 6,38,37)( 7,29,36,14)( 8,20,35,23)( 9,11,34,32)(12,25,31,18)(13,16,30,27)(17,21,26,22)$ |
5A1 | $5^{8},1$ | $41$ | $5$ | $32$ | $( 2,17,11,38,19)( 3,33,21,34,37)( 4, 8,31,30,14)( 5,24,41,26,32)( 6,40,10,22, 9)( 7,15,20,18,27)(12,13,29,39,35)(16,36,28,23,25)$ |
5A-1 | $5^{8},1$ | $41$ | $5$ | $32$ | $( 2,19,38,11,17)( 3,37,34,21,33)( 4,14,30,31, 8)( 5,32,26,41,24)( 6, 9,22,10,40)( 7,27,18,20,15)(12,35,39,29,13)(16,25,23,28,36)$ |
5A2 | $5^{8},1$ | $41$ | $5$ | $32$ | $( 2,11,19,17,38)( 3,21,37,33,34)( 4,31,14, 8,30)( 5,41,32,24,26)( 6,10, 9,40,22)( 7,20,27,15,18)(12,29,35,13,39)(16,28,25,36,23)$ |
5A-2 | $5^{8},1$ | $41$ | $5$ | $32$ | $( 2,38,17,19,11)( 3,34,33,37,21)( 4,30, 8,14,31)( 5,26,24,32,41)( 6,22,40, 9,10)( 7,18,15,27,20)(12,39,13,35,29)(16,23,36,25,28)$ |
10A1 | $10^{4},1$ | $41$ | $10$ | $36$ | $( 2, 5,17,24,11,41,38,26,19,32)( 3, 9,33, 6,21,40,34,10,37,22)( 4,13, 8,29,31,39,30,35,14,12)( 7,25,15,16,20,36,18,28,27,23)$ |
10A-1 | $10^{4},1$ | $41$ | $10$ | $36$ | $( 2,32,19,26,38,41,11,24,17, 5)( 3,22,37,10,34,40,21, 6,33, 9)( 4,12,14,35,30,39,31,29, 8,13)( 7,23,27,28,18,36,20,16,15,25)$ |
10A3 | $10^{4},1$ | $41$ | $10$ | $36$ | $( 2,24,38,32,17,41,19, 5,11,26)( 3, 6,34,22,33,40,37, 9,21,10)( 4,29,30,12, 8,39,14,13,31,35)( 7,16,18,23,15,36,27,25,20,28)$ |
10A-3 | $10^{4},1$ | $41$ | $10$ | $36$ | $( 2,26,11, 5,19,41,17,32,38,24)( 3,10,21, 9,37,40,33,22,34, 6)( 4,35,31,13,14,39, 8,12,30,29)( 7,28,20,25,27,36,15,23,18,16)$ |
20A1 | $20^{2},1$ | $41$ | $20$ | $38$ | $( 2, 3, 5, 9,17,33,24, 6,11,21,41,40,38,34,26,10,19,37,32,22)( 4, 7,13,25, 8,15,29,16,31,20,39,36,30,18,35,28,14,27,12,23)$ |
20A-1 | $20^{2},1$ | $41$ | $20$ | $38$ | $( 2,40, 5,34,17,10,24,37,11,22,41, 3,38, 9,26,33,19, 6,32,21)( 4,36,13,18, 8,28,29,27,31,23,39, 7,30,25,35,15,14,16,12,20)$ |
20A3 | $20^{2},1$ | $41$ | $20$ | $38$ | $( 2,34,24,22,38,33,32,40,17,37,41, 9,19,21, 5,10,11, 3,26, 6)( 4,18,29,23,30,15,12,36, 8,27,39,25,14,20,13,28,31, 7,35,16)$ |
20A-3 | $20^{2},1$ | $41$ | $20$ | $38$ | $( 2, 9,24,21,38,10,32, 3,17, 6,41,34,19,22, 5,33,11,40,26,37)( 4,25,29,20,30,28,12, 7, 8,16,39,18,14,23,13,15,31,36,35,27)$ |
20A7 | $20^{2},1$ | $41$ | $20$ | $38$ | $( 2, 6,26, 3,11,10, 5,21,19, 9,41,37,17,40,32,33,38,22,24,34)( 4,16,35, 7,31,28,13,20,14,25,39,27, 8,36,12,15,30,23,29,18)$ |
20A-7 | $20^{2},1$ | $41$ | $20$ | $38$ | $( 2,37,26,40,11,33, 5,22,19,34,41, 6,17, 3,32,10,38,21,24, 9)( 4,27,35,36,31,15,13,23,14,18,39,16, 8, 7,12,28,30,20,29,25)$ |
20A9 | $20^{2},1$ | $41$ | $20$ | $38$ | $( 2,22,32,37,19,10,26,34,38,40,41,21,11, 6,24,33,17, 9, 5, 3)( 4,23,12,27,14,28,35,18,30,36,39,20,31,16,29,15, 8,25,13, 7)$ |
20A-9 | $20^{2},1$ | $41$ | $20$ | $38$ | $( 2,21,32, 6,19,33,26, 9,38, 3,41,22,11,37,24,10,17,34, 5,40)( 4,20,12,16,14,15,35,25,30, 7,39,23,31,27,29,28, 8,18,13,36)$ |
41A1 | $41$ | $20$ | $41$ | $40$ | $( 1, 6,11,16,21,26,31,36,41, 5,10,15,20,25,30,35,40, 4, 9,14,19,24,29,34,39, 3, 8,13,18,23,28,33,38, 2, 7,12,17,22,27,32,37)$ |
41A3 | $41$ | $20$ | $41$ | $40$ | $( 1,16,31, 5,20,35, 9,24,39,13,28, 2,17,32, 6,21,36,10,25,40,14,29, 3,18,33, 7,22,37,11,26,41,15,30, 4,19,34, 8,23,38,12,27)$ |
magma: ConjugacyClasses(G);
Malle's constant $a(G)$: $1/20$
Group invariants
Order: | $820=2^{2} \cdot 5 \cdot 41$ | 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: | 820.7 | magma: IdentifyGroup(G);
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Character table: |
1A | 2A | 4A1 | 4A-1 | 5A1 | 5A-1 | 5A2 | 5A-2 | 10A1 | 10A-1 | 10A3 | 10A-3 | 20A1 | 20A-1 | 20A3 | 20A-3 | 20A7 | 20A-7 | 20A9 | 20A-9 | 41A1 | 41A3 | ||
Size | 1 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 20 | 20 | |
2 P | 1A | 1A | 2A | 2A | 5A2 | 5A-2 | 5A-1 | 5A1 | 5A1 | 5A-1 | 5A-2 | 5A2 | 10A1 | 10A1 | 10A3 | 10A3 | 10A-3 | 10A-3 | 10A-1 | 10A-1 | 41A1 | 41A3 | |
5 P | 1A | 2A | 4A1 | 4A-1 | 1A | 1A | 1A | 1A | 2A | 2A | 2A | 2A | 4A-1 | 4A1 | 4A-1 | 4A1 | 4A1 | 4A-1 | 4A1 | 4A-1 | 41A1 | 41A3 | |
41 P | 1A | 2A | 4A1 | 4A-1 | 5A1 | 5A-1 | 5A2 | 5A-2 | 10A1 | 10A-1 | 10A3 | 10A-3 | 20A-9 | 20A1 | 20A3 | 20A-7 | 20A-3 | 20A7 | 20A9 | 20A-1 | 1A | 1A | |
Type | |||||||||||||||||||||||
820.7.1a | R | ||||||||||||||||||||||
820.7.1b | R | ||||||||||||||||||||||
820.7.1c1 | C | ||||||||||||||||||||||
820.7.1c2 | C | ||||||||||||||||||||||
820.7.1d1 | C | ||||||||||||||||||||||
820.7.1d2 | C | ||||||||||||||||||||||
820.7.1d3 | C | ||||||||||||||||||||||
820.7.1d4 | C | ||||||||||||||||||||||
820.7.1e1 | C | ||||||||||||||||||||||
820.7.1e2 | C | ||||||||||||||||||||||
820.7.1e3 | C | ||||||||||||||||||||||
820.7.1e4 | C | ||||||||||||||||||||||
820.7.1f1 | C | ||||||||||||||||||||||
820.7.1f2 | C | ||||||||||||||||||||||
820.7.1f3 | C | ||||||||||||||||||||||
820.7.1f4 | C | ||||||||||||||||||||||
820.7.1f5 | C | ||||||||||||||||||||||
820.7.1f6 | C | ||||||||||||||||||||||
820.7.1f7 | C | ||||||||||||||||||||||
820.7.1f8 | C | ||||||||||||||||||||||
820.7.20a1 | R | ||||||||||||||||||||||
820.7.20a2 | R |
magma: CharacterTable(G);