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Magma
magma: G := TransitiveGroup(24, 284);
Group action invariants
Degree $n$: | $24$ | magma: t, n := TransitiveGroupIdentification(G); n;
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Transitive number $t$: | $284$ | magma: t, n := TransitiveGroupIdentification(G); t;
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Group: | $\PSL(2,7)$ | ||
Parity: | $1$ | magma: IsEven(G);
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Primitive: | no | magma: IsPrimitive(G);
| magma: NilpotencyClass(G);
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$\card{\Aut(F/K)}$: | $3$ | magma: Order(Centralizer(SymmetricGroup(n), G));
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Generators: | (1,8,24,21,17,10,13)(2,9,22,19,18,11,14)(3,7,23,20,16,12,15), (1,7,12,13,22,5,18)(2,8,10,14,23,6,16)(3,9,11,15,24,4,17) | magma: Generators(G);
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Low degree resolvents
noneResolvents shown for degrees $\leq 47$
Subfields
Degree 2: None
Degree 3: None
Degree 4: None
Degree 6: None
Degree 8: $\PSL(2,7)$
Degree 12: None
Low degree siblings
7T5 x 2, 8T37, 14T10 x 2, 21T14, 28T32, 42T37, 42T38 x 2Siblings 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 $ | $1$ | $1$ | $()$ | |
$ 7, 7, 7, 1, 1, 1 $ | $24$ | $7$ | $( 4, 8,16,11,22,20,13)( 5, 9,17,12,23,21,14)( 6, 7,18,10,24,19,15)$ | |
$ 7, 7, 7, 1, 1, 1 $ | $24$ | $7$ | $( 4,11,13,16,20, 8,22)( 5,12,14,17,21, 9,23)( 6,10,15,18,19, 7,24)$ | |
$ 3, 3, 3, 3, 3, 3, 3, 3 $ | $56$ | $3$ | $( 1, 2, 3)( 4, 6, 5)( 7,17,22)( 8,18,23)( 9,16,24)(10,14,20)(11,15,21) (12,13,19)$ | |
$ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 $ | $21$ | $2$ | $( 1, 4)( 2, 5)( 3, 6)( 7,15)( 8,13)( 9,14)(10,16)(11,17)(12,18)(19,23)(20,24) (21,22)$ | |
$ 4, 4, 4, 4, 4, 4 $ | $42$ | $4$ | $( 1, 4,17,22)( 2, 5,18,23)( 3, 6,16,24)( 7,20,13,10)( 8,21,14,11)( 9,19,15,12)$ |
magma: ConjugacyClasses(G);
Group invariants
Order: | $168=2^{3} \cdot 3 \cdot 7$ | 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: | no | magma: IsSolvable(G);
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Nilpotency class: | not nilpotent | ||
Label: | 168.42 | magma: IdentifyGroup(G);
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Character table: |
1A | 2A | 3A | 4A | 7A1 | 7A-1 | ||
Size | 1 | 21 | 56 | 42 | 24 | 24 | |
2 P | 1A | 1A | 3A | 2A | 7A1 | 7A-1 | |
3 P | 1A | 2A | 1A | 4A | 7A-1 | 7A1 | |
7 P | 1A | 2A | 3A | 4A | 1A | 1A | |
Type | |||||||
168.42.1a | R | ||||||
168.42.3a1 | C | ||||||
168.42.3a2 | C | ||||||
168.42.6a | R | ||||||
168.42.7a | R | ||||||
168.42.8a | R |
magma: CharacterTable(G);