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Group invariants
Abstract group: | $A_8$ |
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Order: | $20160=2^{6} \cdot 3^{2} \cdot 5 \cdot 7$ |
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Cyclic: | no |
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Abelian: | no |
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Solvable: | no |
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Nilpotency class: | not nilpotent |
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Group action invariants
Degree $n$: | $35$ |
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Transitive number $t$: | $36$ |
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Parity: | $1$ |
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Primitive: | yes |
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$\card{\Aut(F/K)}$: | $1$ |
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Generators: | $(1,2,4,8,3,6,12)(5,10,15,19,25,29,22)(7,14,18,24,28,34,9)(11,16,20,27,23,13,17)(21,26,32,35,30,31,33)$, $(1,3,7)(2,6,5)(9,10,12)(11,14,13)(16,18,21)(17,22,23)(19,26,24)(25,31,28)(27,33,29)(30,35,32)$ |
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Low degree resolvents
noneResolvents shown for degrees $\leq 47$
Subfields
Degree 5: None
Degree 7: None
Low degree siblings
8T49, 15T72 x 2, 28T433Siblings are shown 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 | $1^{35}$ | $1$ | $1$ | $0$ | $()$ |
2A | $2^{12},1^{11}$ | $105$ | $2$ | $12$ | $( 1,13)( 2,27)( 3,16)( 4,32)( 6,17)( 8,30)( 9,24)(10,25)(14,18)(20,35)(22,29)(26,31)$ |
2B | $2^{14},1^{7}$ | $210$ | $2$ | $14$ | $( 1,17)( 2,23)( 3,34)( 4,25)( 5, 7)( 8,32)( 9,30)(10,24)(11,16)(14,29)(15,27)(19,35)(20,28)(21,33)$ |
3A | $3^{10},1^{5}$ | $112$ | $3$ | $20$ | $( 1,18,17)( 2,33,34)( 3,21,23)( 4,10, 8)( 5,11,27)( 6,14,29)( 7,15,16)(19,31,35)(20,28,26)(24,25,32)$ |
3B | $3^{11},1^{2}$ | $1120$ | $3$ | $22$ | $( 1,30,26)( 2,32,18)( 3,25, 6)( 4,14,27)( 5,15,33)( 8,31,13)( 9,20,29)(10,17,16)(11,34,21)(12,19,28)(22,24,35)$ |
4A | $4^{6},2^{4},1^{3}$ | $1260$ | $4$ | $22$ | $( 1, 7,25,28)( 2,15,23,27)( 4,35,17,33)( 5,30,20,29)( 6,32,22, 8)( 9,19,14,21)(10,18)(11,16)(12,26)(13,24)$ |
4B | $4^{7},2^{3},1$ | $2520$ | $4$ | $24$ | $( 1, 5,17, 7)( 2,27,23,15)( 3,11,34,16)( 4,19,25,35)( 6,18)( 8,24,32,10)( 9,20,30,28)(12,26)(13,22)(14,33,29,21)$ |
5A | $5^{7}$ | $1344$ | $5$ | $28$ | $( 1,28,16,19, 8)( 2,27,24, 3,29)( 4,18,26, 7,31)( 5,25,21, 6,33)( 9,12,22,13,30)(10,17,20,15,35)(11,32,23,14,34)$ |
6A | $6^{4},3^{2},2^{2},1$ | $1680$ | $6$ | $26$ | $( 1,17, 5,27,11,18)( 2,19)( 3,14, 6)( 4, 8,10,26,28,20)( 7,32,13,25,15,12)( 9,33,35,22,31,34)(16,24)(21,29,23)$ |
6B | $6^{4},3^{3},1^{2}$ | $3360$ | $6$ | $26$ | $( 1,31,30,13,26, 8)( 2,14,32,27,18, 4)( 3,17,25,16, 6,10)( 5,33,15)( 9,22,20,24,29,35)(11,21,34)(12,28,19)$ |
7A1 | $7^{5}$ | $2880$ | $7$ | $30$ | $( 1,20,27, 6,21,10,30)( 2,31,11,19, 5,14, 9)( 3, 4,33,35,24,17,13)( 7,15, 8,34,29,23,16)(12,22,28,25,18,26,32)$ |
7A-1 | $7^{5}$ | $2880$ | $7$ | $30$ | $( 1,30,10,21, 6,27,20)( 2, 9,14, 5,19,11,31)( 3,13,17,24,35,33, 4)( 7,16,23,29,34, 8,15)(12,32,26,18,25,28,22)$ |
15A1 | $15^{2},5$ | $1344$ | $15$ | $32$ | $( 1,15, 4,28,35,18,16,10,26,19,17, 7, 8,20,31)( 2,32, 6,27,23,33,24,14, 5, 3,34,25,29,11,21)( 9,22,30,12,13)$ |
15A-1 | $15^{2},5$ | $1344$ | $15$ | $32$ | $( 1,31,20, 8, 7,17,19,26,10,16,18,35,28, 4,15)( 2,21,11,29,25,34, 3, 5,14,24,33,23,27, 6,32)( 9,13,12,30,22)$ |
Malle's constant $a(G)$: $1/12$
Character table
1A | 2A | 2B | 3A | 3B | 4A | 4B | 5A | 6A | 6B | 7A1 | 7A-1 | 15A1 | 15A-1 | ||
Size | 1 | 105 | 210 | 112 | 1120 | 1260 | 2520 | 1344 | 1680 | 3360 | 2880 | 2880 | 1344 | 1344 | |
2 P | 1A | 1A | 1A | 3A | 3B | 2A | 2B | 5A | 3A | 3B | 7A1 | 7A-1 | 15A1 | 15A-1 | |
3 P | 1A | 2A | 2B | 1A | 1A | 4A | 4B | 5A | 2B | 2A | 7A-1 | 7A1 | 5A | 5A | |
5 P | 1A | 2A | 2B | 3A | 3B | 4A | 4B | 1A | 6A | 6B | 7A-1 | 7A1 | 3A | 3A | |
7 P | 1A | 2A | 2B | 3A | 3B | 4A | 4B | 5A | 6A | 6B | 1A | 1A | 15A-1 | 15A1 | |
Type | |||||||||||||||
20160.a.1a | R | ||||||||||||||
20160.a.7a | R | ||||||||||||||
20160.a.14a | R | ||||||||||||||
20160.a.20a | R | ||||||||||||||
20160.a.21a | R | ||||||||||||||
20160.a.21b1 | C | ||||||||||||||
20160.a.21b2 | C | ||||||||||||||
20160.a.28a | R | ||||||||||||||
20160.a.35a | R | ||||||||||||||
20160.a.45a1 | C | ||||||||||||||
20160.a.45a2 | C | ||||||||||||||
20160.a.56a | R | ||||||||||||||
20160.a.64a | R | ||||||||||||||
20160.a.70a | R |
Regular extensions
Data not computed