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Group invariants
Abstract group: | $\PSL(2,16):C_2$ |
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Order: | $8160=2^{5} \cdot 3 \cdot 5 \cdot 17$ |
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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 $n$: | $17$ |
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Transitive number $t$: | $7$ |
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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: | $(2,3)(4,9)(5,7)(6,8)(10,14)(11,13)(12,15)(16,17)$, $(1,16)(2,3)(4,5)(6,7)(8,9)(10,11)(12,13)(14,15)$, $(1,6,13,5,4,2,15,10,14,12,3,9,7,11,8)$, $(1,7)(2,13)(3,10)(4,11)(5,12)(8,14)$ |
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Low degree resolvents
$\card{(G/N)}$ Galois groups for stem field(s) $2$: $C_2$ 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 | $1^{17}$ | $1$ | $1$ | $0$ | $()$ |
2A | $2^{6},1^{5}$ | $68$ | $2$ | $6$ | $( 1, 7)( 2, 6)( 3, 9)(11,16)(12,15)(14,17)$ |
2B | $2^{8},1$ | $255$ | $2$ | $8$ | $( 1, 7)( 2,16)( 3,15)( 4,13)( 5,10)( 6,11)( 9,12)(14,17)$ |
3A | $3^{5},1^{2}$ | $272$ | $3$ | $10$ | $( 2,10,12)( 3,11, 5)( 4, 9, 6)( 7,17,14)(13,15,16)$ |
4A | $4^{4},1$ | $1020$ | $4$ | $12$ | $( 1, 4, 7,13)( 2,12,16, 9)( 3,11,15, 6)( 5,14,10,17)$ |
5A1 | $5^{3},1^{2}$ | $272$ | $5$ | $12$ | $( 2,17,11, 4,13)( 3, 6,16,12, 7)( 5, 9,15,10,14)$ |
5A2 | $5^{3},1^{2}$ | $272$ | $5$ | $12$ | $( 2,11,13,17, 4)( 3,16, 7, 6,12)( 5,15,14, 9,10)$ |
6A | $6^{2},3,1^{2}$ | $1360$ | $6$ | $12$ | $( 1, 6,14, 7, 2,17)( 3,11,15, 9,16,12)( 8,13,10)$ |
10A1 | $10,5,2$ | $816$ | $10$ | $14$ | $( 1,12, 7, 4,13, 8, 2,17, 6,16)( 3,11)( 5,14,15,10, 9)$ |
10A3 | $10,5,2$ | $816$ | $10$ | $14$ | $( 1, 4, 2,16, 7, 8, 6,12,13,17)( 3,11)( 5,10,14, 9,15)$ |
15A1 | $15,1^{2}$ | $544$ | $15$ | $14$ | $( 2, 3,15,17, 6,10,11,16,14, 4,12, 5,13, 7, 9)$ |
15A2 | $15,1^{2}$ | $544$ | $15$ | $14$ | $( 2,15, 6,11,14,12,13, 9, 3,17,10,16, 4, 5, 7)$ |
17A1 | $17$ | $480$ | $17$ | $16$ | $( 1,11, 3, 2,10,16, 5,14,13, 9, 6,17, 7, 8,12,15, 4)$ |
17A2 | $17$ | $480$ | $17$ | $16$ | $( 1, 3,10, 5,13, 6, 7,12, 4,11, 2,16,14, 9,17, 8,15)$ |
17A3 | $17$ | $480$ | $17$ | $16$ | $( 1, 2, 5, 9, 7,15,11,10,14, 6, 8, 4, 3,16,13,17,12)$ |
17A6 | $17$ | $480$ | $17$ | $16$ | $( 1, 5, 7,11,14, 8, 3,13,12, 2, 9,15,10, 6, 4,16,17)$ |
Malle's constant $a(G)$: $1/6$
Character table
1A | 2A | 2B | 3A | 4A | 5A1 | 5A2 | 6A | 10A1 | 10A3 | 15A1 | 15A2 | 17A1 | 17A2 | 17A3 | 17A6 | ||
Size | 1 | 68 | 255 | 272 | 1020 | 272 | 272 | 1360 | 816 | 816 | 544 | 544 | 480 | 480 | 480 | 480 | |
2 P | 1A | 1A | 1A | 3A | 2B | 5A2 | 5A1 | 3A | 5A1 | 5A2 | 15A2 | 15A1 | 17A2 | 17A1 | 17A6 | 17A3 | |
3 P | 1A | 2A | 2B | 1A | 4A | 5A2 | 5A1 | 2A | 10A3 | 10A1 | 5A1 | 5A2 | 17A3 | 17A6 | 17A2 | 17A1 | |
5 P | 1A | 2A | 2B | 3A | 4A | 1A | 1A | 6A | 2A | 2A | 3A | 3A | 17A3 | 17A6 | 17A2 | 17A1 | |
17 P | 1A | 2A | 2B | 3A | 4A | 5A2 | 5A1 | 6A | 10A3 | 10A1 | 15A2 | 15A1 | 1A | 1A | 1A | 1A | |
Type | |||||||||||||||||
8160.a.1a | R | ||||||||||||||||
8160.a.1b | R | ||||||||||||||||
8160.a.16a | R | ||||||||||||||||
8160.a.16b | R | ||||||||||||||||
8160.a.17a | R | ||||||||||||||||
8160.a.17b | R | ||||||||||||||||
8160.a.17c1 | R | ||||||||||||||||
8160.a.17c2 | R | ||||||||||||||||
8160.a.17d1 | R | ||||||||||||||||
8160.a.17d2 | R | ||||||||||||||||
8160.a.30a1 | R | ||||||||||||||||
8160.a.30a2 | R | ||||||||||||||||
8160.a.30a3 | R | ||||||||||||||||
8160.a.30a4 | R | ||||||||||||||||
8160.a.34a1 | R | ||||||||||||||||
8160.a.34a2 | R |
Regular extensions
Data not computed