Group invariants
| Abstract group: | $D_8:C_8$ |
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| Order: | $128=2^{7}$ |
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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 $n$: | $32$ |
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| Transitive number $t$: | $600$ |
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| Parity: | $1$ |
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| Primitive: | no |
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| $\card{\Aut(F/K)}$: | $16$ |
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| Generators: | $(1,26,5,32,9,20,15,24,4,27,8,29,11,17,14,21)(2,25,6,31,10,19,16,23,3,28,7,30,12,18,13,22)$, $(1,25,4,28)(2,26,3,27)(5,30,8,31)(6,29,7,32)(9,19,11,18)(10,20,12,17)(13,24,16,21)(14,23,15,22)$ |
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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, $C_8$ x 2, $C_4\times C_2$ $16$: $D_{8}$, $C_8:C_2$, $QD_{16}$, $C_2^2:C_4$, $C_8\times C_2$ $32$: $C_4\wr C_2$, $C_2^2 : C_8$, 16T26 $64$: 32T272 Resolvents shown for degrees $\leq 47$
Subfields
Degree 2: $C_2$ x 3
Degree 4: $C_2^2$, $D_{4}$ x 2
Degree 8: $D_4$, $C_4\wr C_2$ x 2
Low degree siblings
16T260 x 2, 32T600Siblings 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 | $1^{32}$ | $1$ | $1$ | $0$ | $()$ |
| 2A | $2^{16}$ | $1$ | $2$ | $16$ | $( 1, 4)( 2, 3)( 5, 8)( 6, 7)( 9,11)(10,12)(13,16)(14,15)(17,20)(18,19)(21,24)(22,23)(25,28)(26,27)(29,32)(30,31)$ |
| 2B | $2^{8},1^{16}$ | $2$ | $2$ | $8$ | $(17,20)(18,19)(21,24)(22,23)(25,28)(26,27)(29,32)(30,31)$ |
| 2C | $2^{16}$ | $8$ | $2$ | $16$ | $( 1,18)( 2,17)( 3,20)( 4,19)( 5,23)( 6,24)( 7,21)( 8,22)( 9,25)(10,26)(11,28)(12,27)(13,32)(14,31)(15,30)(16,29)$ |
| 4A1 | $4^{8}$ | $1$ | $4$ | $24$ | $( 1, 9, 4,11)( 2,10, 3,12)( 5,15, 8,14)( 6,16, 7,13)(17,26,20,27)(18,25,19,28)(21,32,24,29)(22,31,23,30)$ |
| 4A-1 | $4^{8}$ | $1$ | $4$ | $24$ | $( 1,11, 4, 9)( 2,12, 3,10)( 5,14, 8,15)( 6,13, 7,16)(17,27,20,26)(18,28,19,25)(21,29,24,32)(22,30,23,31)$ |
| 4B | $4^{8}$ | $2$ | $4$ | $24$ | $( 1, 9, 4,11)( 2,10, 3,12)( 5,15, 8,14)( 6,16, 7,13)(17,27,20,26)(18,28,19,25)(21,29,24,32)(22,30,23,31)$ |
| 4C1 | $4^{4},2^{8}$ | $2$ | $4$ | $20$ | $( 1, 4)( 2, 3)( 5, 8)( 6, 7)( 9,11)(10,12)(13,16)(14,15)(17,26,20,27)(18,25,19,28)(21,32,24,29)(22,31,23,30)$ |
| 4C-1 | $4^{4},2^{8}$ | $2$ | $4$ | $20$ | $( 1, 4)( 2, 3)( 5, 8)( 6, 7)( 9,11)(10,12)(13,16)(14,15)(17,27,20,26)(18,28,19,25)(21,29,24,32)(22,30,23,31)$ |
| 4D1 | $4^{4},1^{16}$ | $2$ | $4$ | $12$ | $(17,27,20,26)(18,28,19,25)(21,29,24,32)(22,30,23,31)$ |
| 4D-1 | $4^{4},1^{16}$ | $2$ | $4$ | $12$ | $(17,26,20,27)(18,25,19,28)(21,32,24,29)(22,31,23,30)$ |
| 4E | $4^{8}$ | $8$ | $4$ | $24$ | $( 1,25, 4,28)( 2,26, 3,27)( 5,30, 8,31)( 6,29, 7,32)( 9,19,11,18)(10,20,12,17)(13,24,16,21)(14,23,15,22)$ |
| 8A1 | $8^{4}$ | $2$ | $8$ | $28$ | $( 1, 5, 9,15, 4, 8,11,14)( 2, 6,10,16, 3, 7,12,13)(17,24,26,29,20,21,27,32)(18,23,25,30,19,22,28,31)$ |
| 8A-1 | $8^{4}$ | $2$ | $8$ | $28$ | $( 1,15,11, 5, 4,14, 9, 8)( 2,16,12, 6, 3,13,10, 7)(17,29,27,24,20,32,26,21)(18,30,28,23,19,31,25,22)$ |
| 8B1 | $8^{4}$ | $2$ | $8$ | $28$ | $( 1, 8, 9,14, 4, 5,11,15)( 2, 7,10,13, 3, 6,12,16)(17,24,26,29,20,21,27,32)(18,23,25,30,19,22,28,31)$ |
| 8B-1 | $8^{4}$ | $2$ | $8$ | $28$ | $( 1,15,11, 5, 4,14, 9, 8)( 2,16,12, 6, 3,13,10, 7)(17,32,27,21,20,29,26,24)(18,31,28,22,19,30,25,23)$ |
| 8C | $8^{4}$ | $4$ | $8$ | $28$ | $( 1, 8, 9,14, 4, 5,11,15)( 2, 7,10,13, 3, 6,12,16)(17,29,27,24,20,32,26,21)(18,30,28,23,19,31,25,22)$ |
| 8D | $8^{4}$ | $4$ | $8$ | $28$ | $( 1,14,11, 8, 4,15, 9, 5)( 2,13,12, 7, 3,16,10, 6)(17,21,26,32,20,24,27,29)(18,22,25,31,19,23,28,30)$ |
| 8E1 | $8^{2},4^{4}$ | $4$ | $8$ | $26$ | $( 1,10, 4,12)( 2, 9, 3,11)( 5,13, 8,16)( 6,14, 7,15)(17,31,26,23,20,30,27,22)(18,32,25,24,19,29,28,21)$ |
| 8E-1 | $8^{2},4^{4}$ | $4$ | $8$ | $26$ | $( 1,12, 4,10)( 2,11, 3, 9)( 5,16, 8,13)( 6,15, 7,14)(17,22,27,30,20,23,26,31)(18,21,28,29,19,24,25,32)$ |
| 8E3 | $8^{2},4^{4}$ | $4$ | $8$ | $26$ | $( 1,12, 4,10)( 2,11, 3, 9)( 5,16, 8,13)( 6,15, 7,14)(17,23,27,31,20,22,26,30)(18,24,28,32,19,21,25,29)$ |
| 8E-3 | $8^{2},4^{4}$ | $4$ | $8$ | $26$ | $( 1,10, 4,12)( 2, 9, 3,11)( 5,13, 8,16)( 6,14, 7,15)(17,30,26,22,20,31,27,23)(18,29,25,21,19,32,28,24)$ |
| 8F1 | $8^{2},2^{8}$ | $4$ | $8$ | $22$ | $( 1, 3)( 2, 4)( 5, 6)( 7, 8)( 9,12)(10,11)(13,14)(15,16)(17,23,27,31,20,22,26,30)(18,24,28,32,19,21,25,29)$ |
| 8F-1 | $8^{2},2^{8}$ | $4$ | $8$ | $22$ | $( 1,16, 9, 7, 4,13,11, 6)( 2,15,10, 8, 3,14,12, 5)(17,19)(18,20)(21,22)(23,24)(25,27)(26,28)(29,30)(31,32)$ |
| 8F3 | $8^{2},2^{8}$ | $4$ | $8$ | $22$ | $( 1,16, 9, 7, 4,13,11, 6)( 2,15,10, 8, 3,14,12, 5)(17,18)(19,20)(21,23)(22,24)(25,26)(27,28)(29,31)(30,32)$ |
| 8F-3 | $8^{2},2^{8}$ | $4$ | $8$ | $22$ | $( 1, 3)( 2, 4)( 5, 6)( 7, 8)( 9,12)(10,11)(13,14)(15,16)(17,22,27,30,20,23,26,31)(18,21,28,29,19,24,25,32)$ |
| 8G1 | $8^{4}$ | $8$ | $8$ | $28$ | $( 1,23, 9,30, 4,22,11,31)( 2,24,10,29, 3,21,12,32)( 5,25,15,19, 8,28,14,18)( 6,26,16,20, 7,27,13,17)$ |
| 8G-1 | $8^{4}$ | $8$ | $8$ | $28$ | $( 1,25,11,18, 4,28, 9,19)( 2,26,12,17, 3,27,10,20)( 5,30,14,23, 8,31,15,22)( 6,29,13,24, 7,32,16,21)$ |
| 16A1 | $16^{2}$ | $8$ | $16$ | $30$ | $( 1,32, 8,17, 9,24,14,26, 4,29, 5,20,11,21,15,27)( 2,31, 7,18,10,23,13,25, 3,30, 6,19,12,22,16,28)$ |
| 16A-1 | $16^{2}$ | $8$ | $16$ | $30$ | $( 1,17,15,32,11,27, 5,21, 4,20,14,29, 9,26, 8,24)( 2,18,16,31,12,28, 6,22, 3,19,13,30,10,25, 7,23)$ |
| 16A3 | $16^{2}$ | $8$ | $16$ | $30$ | $( 1,24,15,17,11,32, 5,27, 4,21,14,20, 9,29, 8,26)( 2,23,16,18,12,31, 6,28, 3,22,13,19,10,30, 7,25)$ |
| 16A-3 | $16^{2}$ | $8$ | $16$ | $30$ | $( 1,24, 5,27, 9,29,15,17, 4,21, 8,26,11,32,14,20)( 2,23, 6,28,10,30,16,18, 3,22, 7,25,12,31,13,19)$ |
Malle's constant $a(G)$: $1/8$
Character table
32 x 32 character table
Regular extensions
Data not computed