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Group invariants
Abstract group: | $C_2^3.D_4$ |
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Order: | $64=2^{6}$ |
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Cyclic: | no |
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Abelian: | no |
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Solvable: | yes |
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Nilpotency class: | $4$ |
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Group action invariants
Degree $n$: | $16$ |
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Transitive number $t$: | $160$ |
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Parity: | $1$ |
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Primitive: | no |
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$\card{\Aut(F/K)}$: | $4$ |
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Generators: | $(1,5,2,6)(3,7,4,8)(9,15)(10,16)(11,14)(12,13)$, $(1,3,2,4)(5,13)(6,14)(7,16)(8,15)(9,11,10,12)$ |
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Low degree resolvents
$\card{(G/N)}$ Galois groups for stem field(s) $2$: $C_2$ x 3 $4$: $C_4$ x 2, $C_2^2$ $8$: $D_{4}$ x 2, $C_4\times C_2$ $16$: $C_2^2:C_4$ $32$: $C_2^3 : C_4 $ Resolvents shown for degrees $\leq 47$
Subfields
Degree 2: $C_2$ x 3
Degree 4: $C_2^2$, $D_{4}$ x 2
Degree 8: $D_4$
Low degree siblings
16T140, 16T148, 16T153, 32T153, 32T154, 32T164Siblings 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 | $1^{16}$ | $1$ | $1$ | $0$ | $()$ |
2A | $2^{8}$ | $1$ | $2$ | $8$ | $( 1, 2)( 3, 4)( 5, 6)( 7, 8)( 9,10)(11,12)(13,14)(15,16)$ |
2B | $2^{4},1^{8}$ | $2$ | $2$ | $4$ | $( 1, 2)( 3, 4)( 9,10)(11,12)$ |
2C | $2^{8}$ | $4$ | $2$ | $8$ | $( 1,10)( 2, 9)( 3,11)( 4,12)( 5,15)( 6,16)( 7,13)( 8,14)$ |
2D | $2^{4},1^{8}$ | $4$ | $2$ | $4$ | $(1,2)(3,4)(5,6)(7,8)$ |
4A | $4^{4}$ | $4$ | $4$ | $12$ | $( 1, 9, 2,10)( 3,12, 4,11)( 5,15, 6,16)( 7,13, 8,14)$ |
4B1 | $4^{4}$ | $4$ | $4$ | $12$ | $( 1, 4, 2, 3)( 5,14, 6,13)( 7,15, 8,16)( 9,11,10,12)$ |
4B-1 | $4^{4}$ | $4$ | $4$ | $12$ | $( 1, 3, 2, 4)( 5,14, 6,13)( 7,15, 8,16)( 9,12,10,11)$ |
4C | $4^{2},2^{4}$ | $8$ | $4$ | $10$ | $( 1, 3, 2, 4)( 5,13)( 6,14)( 7,16)( 8,15)( 9,11,10,12)$ |
4D1 | $4^{2},2^{4}$ | $8$ | $4$ | $10$ | $( 1, 5, 2, 6)( 3, 7, 4, 8)( 9,15)(10,16)(11,14)(12,13)$ |
4D-1 | $4^{2},2^{4}$ | $8$ | $4$ | $10$ | $( 1, 6, 2, 5)( 3, 8, 4, 7)( 9,15)(10,16)(11,14)(12,13)$ |
8A1 | $8^{2}$ | $8$ | $8$ | $14$ | $( 1,13, 9, 8, 2,14,10, 7)( 3,16,12, 5, 4,15,11, 6)$ |
8A-1 | $8^{2}$ | $8$ | $8$ | $14$ | $( 1,14,10, 7, 2,13, 9, 8)( 3,15,11, 6, 4,16,12, 5)$ |
Malle's constant $a(G)$: $1/4$
Character table
1A | 2A | 2B | 2C | 2D | 4A | 4B1 | 4B-1 | 4C | 4D1 | 4D-1 | 8A1 | 8A-1 | ||
Size | 1 | 1 | 2 | 4 | 4 | 4 | 4 | 4 | 8 | 8 | 8 | 8 | 8 | |
2 P | 1A | 1A | 1A | 1A | 1A | 2A | 2A | 2A | 2B | 2D | 2D | 4A | 4A | |
Type | ||||||||||||||
64.33.1a | R | |||||||||||||
64.33.1b | R | |||||||||||||
64.33.1c | R | |||||||||||||
64.33.1d | R | |||||||||||||
64.33.1e1 | C | |||||||||||||
64.33.1e2 | C | |||||||||||||
64.33.1f1 | C | |||||||||||||
64.33.1f2 | C | |||||||||||||
64.33.2a | R | |||||||||||||
64.33.2b | R | |||||||||||||
64.33.4a | R | |||||||||||||
64.33.4b1 | C | |||||||||||||
64.33.4b2 | C |
Regular extensions
Data not computed