Show commands:
Magma
magma: G := TransitiveGroup(16, 38);
Group action invariants
Degree $n$: | $16$ | magma: t, n := TransitiveGroupIdentification(G); n;
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Transitive number $t$: | $38$ | magma: t, n := TransitiveGroupIdentification(G); t;
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Group: | $D_8:C_2$ | ||
Parity: | $1$ | magma: IsEven(G);
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Primitive: | no | magma: IsPrimitive(G);
| magma: NilpotencyClass(G);
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$\card{\Aut(F/K)}$: | $4$ | magma: Order(Centralizer(SymmetricGroup(n), G));
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Generators: | (1,9)(2,10)(3,4)(5,13)(6,14)(7,8)(11,12)(15,16), (1,4,6,8,10,11,13,15)(2,3,5,7,9,12,14,16), (1,12)(2,11)(3,10)(4,9)(5,8)(6,7)(13,16)(14,15) | magma: Generators(G);
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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 2, $C_2^3$ $16$: $D_4\times C_2$ Resolvents shown for degrees $\leq 47$
Subfields
Degree 2: $C_2$ x 3
Degree 4: $C_2^2$, $D_{4}$ x 2
Degree 8: $D_4\times C_2$, $Z_8 : Z_8^\times$ x 2
Low degree siblings
8T15 x 2, 16T35, 16T38, 16T45, 32T21Siblings 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 |
$1^{16}$ | $1$ | $1$ | $()$ | |
$2^{6},1^{4}$ | $4$ | $2$ | $( 3, 7)( 4, 8)( 5,14)( 6,13)(11,15)(12,16)$ | |
$2^{8}$ | $2$ | $2$ | $( 1, 2)( 3,11)( 4,12)( 5, 6)( 7,15)( 8,16)( 9,10)(13,14)$ | |
$2^{8}$ | $4$ | $2$ | $( 1, 2)( 3,15)( 4,16)( 5,13)( 6,14)( 7,11)( 8,12)( 9,10)$ | |
$2^{8}$ | $4$ | $2$ | $( 1, 3)( 2, 4)( 5,15)( 6,16)( 7,13)( 8,14)( 9,11)(10,12)$ | |
$8^{2}$ | $4$ | $8$ | $( 1, 3,13,16,10,12, 6, 7)( 2, 4,14,15, 9,11, 5, 8)$ | |
$8^{2}$ | $4$ | $8$ | $( 1, 4, 6, 8,10,11,13,15)( 2, 3, 5, 7, 9,12,14,16)$ | |
$4^{4}$ | $4$ | $4$ | $( 1, 4,10,11)( 2, 3, 9,12)( 5,16,14, 7)( 6,15,13, 8)$ | |
$4^{4}$ | $2$ | $4$ | $( 1, 5,10,14)( 2, 6, 9,13)( 3,15,12, 8)( 4,16,11, 7)$ | |
$4^{4}$ | $2$ | $4$ | $( 1, 6,10,13)( 2, 5, 9,14)( 3, 7,12,16)( 4, 8,11,15)$ | |
$2^{8}$ | $1$ | $2$ | $( 1,10)( 2, 9)( 3,12)( 4,11)( 5,14)( 6,13)( 7,16)( 8,15)$ |
magma: ConjugacyClasses(G);
Group invariants
Order: | $32=2^{5}$ | magma: Order(G);
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Cyclic: | no | magma: IsCyclic(G);
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Abelian: | no | magma: IsAbelian(G);
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Solvable: | yes | magma: IsSolvable(G);
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Nilpotency class: | $3$ | ||
Label: | 32.43 | magma: IdentifyGroup(G);
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Character table: |
1A | 2A | 2B | 2C | 2D | 2E | 4A | 4B | 4C | 8A | 8B | ||
Size | 1 | 1 | 2 | 4 | 4 | 4 | 2 | 2 | 4 | 4 | 4 | |
2 P | 1A | 1A | 1A | 1A | 1A | 1A | 2A | 2A | 2A | 4A | 4A | |
Type | ||||||||||||
32.43.1a | R | |||||||||||
32.43.1b | R | |||||||||||
32.43.1c | R | |||||||||||
32.43.1d | R | |||||||||||
32.43.1e | R | |||||||||||
32.43.1f | R | |||||||||||
32.43.1g | R | |||||||||||
32.43.1h | R | |||||||||||
32.43.2a | R | |||||||||||
32.43.2b | R | |||||||||||
32.43.4a | R |
magma: CharacterTable(G);