Show commands:
Magma
magma: G := TransitiveGroup(9, 9);
Group action invariants
Degree $n$: | $9$ | magma: t, n := TransitiveGroupIdentification(G); n;
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Transitive number $t$: | $9$ | magma: t, n := TransitiveGroupIdentification(G); t;
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Group: | $C_3^2:C_4$ | ||
CHM label: | $E(9):4$ | ||
Parity: | $1$ | magma: IsEven(G);
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Primitive: | yes | magma: IsPrimitive(G);
| magma: NilpotencyClass(G);
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$\card{\Aut(F/K)}$: | $1$ | magma: Order(Centralizer(SymmetricGroup(n), G));
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Generators: | (1,2,9)(3,4,5)(6,7,8), (1,8,2,4)(3,5,6,7), (1,4,7)(2,5,8)(3,6,9) | magma: Generators(G);
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Low degree resolvents
|G/N| Galois groups for stem field(s) $2$: $C_2$ $4$: $C_4$ Resolvents shown for degrees $\leq 47$
Subfields
Degree 3: None
Low degree siblings
6T10 x 2, 12T17 x 2, 18T10, 36T14Siblings 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 $ | $1$ | $1$ | $()$ | |
$ 4, 4, 1 $ | $9$ | $4$ | $(2,5,9,6)(3,4,8,7)$ | |
$ 4, 4, 1 $ | $9$ | $4$ | $(2,6,9,5)(3,7,8,4)$ | |
$ 2, 2, 2, 2, 1 $ | $9$ | $2$ | $(2,9)(3,8)(4,7)(5,6)$ | |
$ 3, 3, 3 $ | $4$ | $3$ | $(1,2,9)(3,4,5)(6,7,8)$ | |
$ 3, 3, 3 $ | $4$ | $3$ | $(1,3,8)(2,4,6)(5,7,9)$ |
magma: ConjugacyClasses(G);
Group invariants
Order: | $36=2^{2} \cdot 3^{2}$ | 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: | not nilpotent | ||
Label: | 36.9 | magma: IdentifyGroup(G);
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Character table: |
1A | 2A | 3A | 3B | 4A1 | 4A-1 | ||
Size | 1 | 9 | 4 | 4 | 9 | 9 | |
2 P | 1A | 1A | 3A | 3B | 2A | 2A | |
3 P | 1A | 2A | 1A | 1A | 4A-1 | 4A1 | |
Type | |||||||
36.9.1a | R | ||||||
36.9.1b | R | ||||||
36.9.1c1 | C | ||||||
36.9.1c2 | C | ||||||
36.9.4a | R | ||||||
36.9.4b | R |
magma: CharacterTable(G);