Show commands:
Magma
magma: G := TransitiveGroup(12, 4);
Group action invariants
Degree $n$: | $12$ | magma: t, n := TransitiveGroupIdentification(G); n;
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Transitive number $t$: | $4$ | magma: t, n := TransitiveGroupIdentification(G); t;
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Group: | $A_4$ | ||
CHM label: | $A_{4}(12)$ | ||
Parity: | $1$ | magma: IsEven(G);
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Primitive: | no | magma: IsPrimitive(G);
| magma: NilpotencyClass(G);
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$\card{\Aut(F/K)}$: | $12$ | magma: Order(Centralizer(SymmetricGroup(n), G));
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Generators: | (1,9,5)(2,4,3)(6,8,7)(10,12,11), (1,11,6)(2,9,7)(3,10,5)(4,8,12) | magma: Generators(G);
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Low degree resolvents
|G/N| Galois groups for stem field(s) $3$: $C_3$ Resolvents shown for degrees $\leq 47$
Subfields
Degree 2: None
Degree 3: $C_3$
Degree 4: $A_4$
Degree 6: $A_4$
Low degree siblings
4T4, 6T4Siblings 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, 1 $ | $1$ | $1$ | $()$ | |
$ 3, 3, 3, 3 $ | $4$ | $3$ | $( 1, 2,12)( 3, 7,11)( 4, 5, 6)( 8, 9,10)$ | |
$ 3, 3, 3, 3 $ | $4$ | $3$ | $( 1, 3, 8)( 2,10, 6)( 4, 9,11)( 5, 7,12)$ | |
$ 2, 2, 2, 2, 2, 2 $ | $3$ | $2$ | $( 1, 4)( 2,11)( 3, 6)( 5, 8)( 7,10)( 9,12)$ |
magma: ConjugacyClasses(G);
Group invariants
Order: | $12=2^{2} \cdot 3$ | 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: | 12.3 | magma: IdentifyGroup(G);
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Character table: |
1A | 2A | 3A1 | 3A-1 | ||
Size | 1 | 3 | 4 | 4 | |
2 P | 1A | 1A | 3A-1 | 3A1 | |
3 P | 1A | 2A | 1A | 1A | |
Type | |||||
12.3.1a | R | ||||
12.3.1b1 | C | ||||
12.3.1b2 | C | ||||
12.3.3a | R |
magma: CharacterTable(G);