Show commands:
Magma
magma: G := TransitiveGroup(8, 29);
Group action invariants
Degree $n$: | $8$ | magma: t, n := TransitiveGroupIdentification(G); n;
| |
Transitive number $t$: | $29$ | magma: t, n := TransitiveGroupIdentification(G); t;
| |
Group: | $(((C_4 \times C_2): C_2):C_2):C_2$ | ||
CHM label: | $E(8):D_{8}=[2^{3}]D(4)$ | ||
Parity: | $1$ | magma: IsEven(G);
| |
Primitive: | no | magma: IsPrimitive(G);
| magma: NilpotencyClass(G);
|
$\card{\Aut(F/K)}$: | $2$ | magma: Order(Centralizer(SymmetricGroup(n), G));
| |
Generators: | (1,3)(2,8)(4,6)(5,7), (1,8)(2,3)(4,5)(6,7), (1,5)(2,6)(3,7)(4,8), (1,3)(4,5,6,7), (1,3)(5,7) | magma: Generators(G);
|
Low degree resolvents
|G/N| Galois groups for stem field(s) $2$: $C_2$ x 7 $4$: $C_2^2$ x 7 $8$: $D_{4}$ x 6, $C_2^3$ $16$: $D_4\times C_2$ x 3 $32$: $C_2^2 \wr C_2$ Resolvents shown for degrees $\leq 47$
Subfields
Degree 2: $C_2$
Degree 4: $D_{4}$
Low degree siblings
8T29 x 5, 8T31 x 2, 16T127, 16T128 x 3, 16T129 x 3, 16T147, 16T149 x 6, 16T150 x 3, 32T136 x 3, 32T137 x 2, 32T163 x 3Siblings 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 | Representative |
$ 1, 1, 1, 1, 1, 1, 1, 1 $ | $1$ | $1$ | $()$ | |
$ 2, 2, 1, 1, 1, 1 $ | $4$ | $2$ | $(4,5)(6,7)$ | |
$ 2, 2, 1, 1, 1, 1 $ | $2$ | $2$ | $(4,6)(5,7)$ | |
$ 2, 2, 1, 1, 1, 1 $ | $4$ | $2$ | $(2,8)(5,7)$ | |
$ 4, 2, 1, 1 $ | $8$ | $4$ | $(2,8)(4,5,6,7)$ | |
$ 2, 2, 2, 2 $ | $2$ | $2$ | $(1,2)(3,8)(4,5)(6,7)$ | |
$ 2, 2, 2, 2 $ | $4$ | $2$ | $(1,2)(3,8)(4,6)(5,7)$ | |
$ 2, 2, 2, 2 $ | $2$ | $2$ | $(1,2)(3,8)(4,7)(5,6)$ | |
$ 4, 4 $ | $4$ | $4$ | $(1,2,3,8)(4,5,6,7)$ | |
$ 2, 2, 2, 2 $ | $1$ | $2$ | $(1,3)(2,8)(4,6)(5,7)$ | |
$ 2, 2, 2, 2 $ | $4$ | $2$ | $(1,4)(2,5)(3,6)(7,8)$ | |
$ 4, 4 $ | $8$ | $4$ | $(1,4,2,5)(3,6,8,7)$ | |
$ 4, 4 $ | $4$ | $4$ | $(1,4,3,6)(2,5,8,7)$ | |
$ 2, 2, 2, 2 $ | $4$ | $2$ | $(1,4)(2,7)(3,6)(5,8)$ | |
$ 4, 4 $ | $8$ | $4$ | $(1,4,2,7)(3,6,8,5)$ | |
$ 4, 4 $ | $4$ | $4$ | $(1,4,3,6)(2,7,8,5)$ |
magma: ConjugacyClasses(G);
Group invariants
Order: | $64=2^{6}$ | magma: Order(G);
| |
Cyclic: | no | magma: IsCyclic(G);
| |
Abelian: | no | magma: IsAbelian(G);
| |
Solvable: | yes | magma: IsSolvable(G);
| |
Nilpotency class: | $3$ | ||
Label: | 64.138 | magma: IdentifyGroup(G);
| |
Character table: |
1A | 2A | 2B | 2C | 2D | 2E | 2F | 2G | 2H | 2I | 4A | 4B | 4C | 4D | 4E | 4F | ||
Size | 1 | 1 | 2 | 2 | 2 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 8 | 8 | 8 | |
2 P | 1A | 1A | 1A | 1A | 1A | 1A | 1A | 1A | 1A | 1A | 2A | 2A | 2A | 2B | 2C | 2D | |
Type | |||||||||||||||||
64.138.1a | R | ||||||||||||||||
64.138.1b | R | ||||||||||||||||
64.138.1c | R | ||||||||||||||||
64.138.1d | R | ||||||||||||||||
64.138.1e | R | ||||||||||||||||
64.138.1f | R | ||||||||||||||||
64.138.1g | R | ||||||||||||||||
64.138.1h | R | ||||||||||||||||
64.138.2a | R | ||||||||||||||||
64.138.2b | R | ||||||||||||||||
64.138.2c | R | ||||||||||||||||
64.138.2d | R | ||||||||||||||||
64.138.2e | R | ||||||||||||||||
64.138.2f | R | ||||||||||||||||
64.138.4a | R | ||||||||||||||||
64.138.4b | R |
magma: CharacterTable(G);