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Group invariants
Abstract group: | $\OD_{16}:C_2^2$ |
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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: | $3$ |
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Group action invariants
Degree $n$: | $16$ |
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Transitive number $t$: | $99$ |
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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: | $(1,3,5,7,10,12,13,15)(2,4,6,8,9,11,14,16)$, $(1,9)(2,10)(3,11)(4,12)(5,6)(7,8)(13,14)(15,16)$, $(1,2)(3,4)(5,6)(7,8)(9,10)(11,12)(13,14)(15,16)$ |
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Low degree resolvents
$\card{(G/N)}$ Galois groups for stem field(s) $2$: $C_2$ x 7 $4$: $C_4$ x 4, $C_2^2$ x 7 $8$: $D_{4}$ x 4, $C_4\times C_2$ x 6, $C_2^3$ $16$: $D_4\times C_2$ x 2, $C_2^2:C_4$ x 4, $C_4\times C_2^2$ $32$: $(C_8:C_2):C_2$ x 2, $C_2 \times (C_2^2:C_4)$ Resolvents shown for degrees $\leq 47$
Subfields
Degree 2: $C_2$ x 3
Degree 8: $C_4\times C_2$, $(C_8:C_2):C_2$ x 2
Low degree siblings
16T72 x 4, 16T99 x 3, 32T60 x 4, 32T61, 32T100Siblings 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 | $2^{8}$ | $1$ | $2$ | $8$ | $( 1, 9)( 2,10)( 3,11)( 4,12)( 5,14)( 6,13)( 7,16)( 8,15)$ |
2B | $2^{8}$ | $1$ | $2$ | $8$ | $( 1, 2)( 3, 4)( 5, 6)( 7, 8)( 9,10)(11,12)(13,14)(15,16)$ |
2C | $2^{8}$ | $1$ | $2$ | $8$ | $( 1,10)( 2, 9)( 3,12)( 4,11)( 5,13)( 6,14)( 7,15)( 8,16)$ |
2D | $2^{4},1^{8}$ | $2$ | $2$ | $4$ | $( 3,12)( 4,11)( 7,15)( 8,16)$ |
2E | $2^{8}$ | $2$ | $2$ | $8$ | $( 1, 9)( 2,10)( 3, 4)( 5,14)( 6,13)( 7, 8)(11,12)(15,16)$ |
2F | $2^{8}$ | $4$ | $2$ | $8$ | $( 1, 9)( 2,10)( 3,11)( 4,12)( 5, 6)( 7, 8)(13,14)(15,16)$ |
2G | $2^{8}$ | $4$ | $2$ | $8$ | $( 1, 6)( 2, 5)( 3,16)( 4,15)( 7,11)( 8,12)( 9,13)(10,14)$ |
2H | $2^{4},1^{8}$ | $4$ | $2$ | $4$ | $( 5,13)( 6,14)( 7,15)( 8,16)$ |
2I | $2^{8}$ | $4$ | $2$ | $8$ | $( 1,13)( 2,14)( 3, 7)( 4, 8)( 5,10)( 6, 9)(11,16)(12,15)$ |
4A | $4^{4}$ | $2$ | $4$ | $12$ | $( 1, 6,10,14)( 2, 5, 9,13)( 3,16,12, 8)( 4,15,11, 7)$ |
4B | $4^{4}$ | $2$ | $4$ | $12$ | $( 1, 6,10,14)( 2, 5, 9,13)( 3, 8,12,16)( 4, 7,11,15)$ |
4C | $4^{4}$ | $2$ | $4$ | $12$ | $( 1,13,10, 5)( 2,14, 9, 6)( 3, 7,12,15)( 4, 8,11,16)$ |
4D | $4^{4}$ | $2$ | $4$ | $12$ | $( 1,13,10, 5)( 2,14, 9, 6)( 3,15,12, 7)( 4,16,11, 8)$ |
8A1 | $8^{2}$ | $4$ | $8$ | $14$ | $( 1, 3,13, 7,10,12, 5,15)( 2, 4,14, 8, 9,11, 6,16)$ |
8A-1 | $8^{2}$ | $4$ | $8$ | $14$ | $( 1, 7, 5, 3,10,15,13,12)( 2, 8, 6, 4, 9,16,14,11)$ |
8B1 | $8^{2}$ | $4$ | $8$ | $14$ | $( 1,11,13, 8,10, 4, 5,16)( 2,12,14, 7, 9, 3, 6,15)$ |
8B-1 | $8^{2}$ | $4$ | $8$ | $14$ | $( 1,16,13,11,10, 8, 5, 4)( 2,15,14,12, 9, 7, 6, 3)$ |
8C1 | $8^{2}$ | $4$ | $8$ | $14$ | $( 1,11,13,16,10, 4, 5, 8)( 2,12,14,15, 9, 3, 6, 7)$ |
8C-1 | $8^{2}$ | $4$ | $8$ | $14$ | $( 1,16, 5,11,10, 8,13, 4)( 2,15, 6,12, 9, 7,14, 3)$ |
8D1 | $8^{2}$ | $4$ | $8$ | $14$ | $( 1, 3,13,15,10,12, 5, 7)( 2, 4,14,16, 9,11, 6, 8)$ |
8D-1 | $8^{2}$ | $4$ | $8$ | $14$ | $( 1, 7,13, 3,10,15, 5,12)( 2, 8,14, 4, 9,16, 6,11)$ |
Malle's constant $a(G)$: $1/4$
Character table
1A | 2A | 2B | 2C | 2D | 2E | 2F | 2G | 2H | 2I | 4A | 4B | 4C | 4D | 8A1 | 8A-1 | 8B1 | 8B-1 | 8C1 | 8C-1 | 8D1 | 8D-1 | ||
Size | 1 | 1 | 1 | 1 | 2 | 2 | 4 | 4 | 4 | 4 | 2 | 2 | 2 | 2 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | |
2 P | 1A | 1A | 1A | 1A | 1A | 1A | 1A | 1A | 1A | 1A | 2C | 2C | 2C | 2C | 4C | 4C | 4D | 4D | 4C | 4C | 4D | 4D | |
Type | |||||||||||||||||||||||
64.92.1a | R | ||||||||||||||||||||||
64.92.1b | R | ||||||||||||||||||||||
64.92.1c | R | ||||||||||||||||||||||
64.92.1d | R | ||||||||||||||||||||||
64.92.1e | R | ||||||||||||||||||||||
64.92.1f | R | ||||||||||||||||||||||
64.92.1g | R | ||||||||||||||||||||||
64.92.1h | R | ||||||||||||||||||||||
64.92.1i1 | C | ||||||||||||||||||||||
64.92.1i2 | C | ||||||||||||||||||||||
64.92.1j1 | C | ||||||||||||||||||||||
64.92.1j2 | C | ||||||||||||||||||||||
64.92.1k1 | C | ||||||||||||||||||||||
64.92.1k2 | C | ||||||||||||||||||||||
64.92.1l1 | C | ||||||||||||||||||||||
64.92.1l2 | C | ||||||||||||||||||||||
64.92.2a | R | ||||||||||||||||||||||
64.92.2b | R | ||||||||||||||||||||||
64.92.2c | R | ||||||||||||||||||||||
64.92.2d | R | ||||||||||||||||||||||
64.92.4a | R | ||||||||||||||||||||||
64.92.4b | R |
Regular extensions
Data not computed