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Group invariants
Abstract group: | $C_2\times \SD_{16}$ |
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Order: | $32=2^{5}$ |
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Cyclic: | no |
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Abelian: | no |
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Solvable: | yes |
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Nilpotency class: | $3$ |
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Group action invariants
Degree $n$: | $16$ |
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Transitive number $t$: | $48$ |
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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: | $(1,10)(2,9)(3,15)(4,16)(5,6)(7,11)(8,12)(13,14)$, $(1,16,14,12,9,7,6,3)(2,15,13,11,10,8,5,4)$, $(1,3,9,12)(2,4,10,11)(5,15,13,8)(6,16,14,7)$ |
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Low degree resolvents
$\card{(G/N)}$ Galois groups for stem field(s) $2$: $C_2$ x 7 $4$: $C_2^2$ x 7 $8$: $D_{4}$ x 2, $C_2^3$ $16$: $QD_{16}$ x 2, $D_4\times C_2$ Resolvents shown for degrees $\leq 47$
Subfields
Degree 2: $C_2$ x 3
Degree 4: $C_2^2$, $D_{4}$ x 2
Degree 8: $QD_{16}$ x 2, $D_4\times C_2$
Low degree siblings
16T48, 32T27Siblings 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 | $2^{8}$ | $1$ | $2$ | $8$ | $( 1,10)( 2, 9)( 3,11)( 4,12)( 5,14)( 6,13)( 7,15)( 8,16)$ |
2B | $2^{8}$ | $1$ | $2$ | $8$ | $( 1, 2)( 3, 4)( 5, 6)( 7, 8)( 9,10)(11,12)(13,14)(15,16)$ |
2C | $2^{8}$ | $1$ | $2$ | $8$ | $( 1, 9)( 2,10)( 3,12)( 4,11)( 5,13)( 6,14)( 7,16)( 8,15)$ |
2D | $2^{6},1^{4}$ | $4$ | $2$ | $6$ | $( 3, 7)( 4, 8)( 5,13)( 6,14)(11,15)(12,16)$ |
2E | $2^{8}$ | $4$ | $2$ | $8$ | $( 1,10)( 2, 9)( 3,15)( 4,16)( 5, 6)( 7,11)( 8,12)(13,14)$ |
4A | $4^{4}$ | $2$ | $4$ | $12$ | $( 1, 5, 9,13)( 2, 6,10,14)( 3, 8,12,15)( 4, 7,11,16)$ |
4B | $4^{4}$ | $2$ | $4$ | $12$ | $( 1,14, 9, 6)( 2,13,10, 5)( 3,16,12, 7)( 4,15,11, 8)$ |
4C | $4^{4}$ | $4$ | $4$ | $12$ | $( 1,16, 9, 7)( 2,15,10, 8)( 3, 6,12,14)( 4, 5,11,13)$ |
4D | $4^{4}$ | $4$ | $4$ | $12$ | $( 1, 8, 9,15)( 2, 7,10,16)( 3,13,12, 5)( 4,14,11, 6)$ |
8A1 | $8^{2}$ | $2$ | $8$ | $14$ | $( 1,16,14,12, 9, 7, 6, 3)( 2,15,13,11,10, 8, 5, 4)$ |
8A-1 | $8^{2}$ | $2$ | $8$ | $14$ | $( 1, 7,14, 3, 9,16, 6,12)( 2, 8,13, 4,10,15, 5,11)$ |
8B1 | $8^{2}$ | $2$ | $8$ | $14$ | $( 1, 8,14, 4, 9,15, 6,11)( 2, 7,13, 3,10,16, 5,12)$ |
8B-1 | $8^{2}$ | $2$ | $8$ | $14$ | $( 1,15,14,11, 9, 8, 6, 4)( 2,16,13,12,10, 7, 5, 3)$ |
Malle's constant $a(G)$: $1/6$
Character table
1A | 2A | 2B | 2C | 2D | 2E | 4A | 4B | 4C | 4D | 8A1 | 8A-1 | 8B1 | 8B-1 | ||
Size | 1 | 1 | 1 | 1 | 4 | 4 | 2 | 2 | 4 | 4 | 2 | 2 | 2 | 2 | |
2 P | 1A | 1A | 1A | 1A | 1A | 1A | 2C | 2C | 2C | 2C | 4B | 4B | 4B | 4B | |
Type | |||||||||||||||
32.40.1a | R | ||||||||||||||
32.40.1b | R | ||||||||||||||
32.40.1c | R | ||||||||||||||
32.40.1d | R | ||||||||||||||
32.40.1e | R | ||||||||||||||
32.40.1f | R | ||||||||||||||
32.40.1g | R | ||||||||||||||
32.40.1h | R | ||||||||||||||
32.40.2a | R | ||||||||||||||
32.40.2b | R | ||||||||||||||
32.40.2c1 | C | ||||||||||||||
32.40.2c2 | C | ||||||||||||||
32.40.2d1 | C | ||||||||||||||
32.40.2d2 | C |
Regular extensions
Data not computed