Show commands:
Magma
magma: G := TransitiveGroup(10, 4);
Group action invariants
Degree $n$: | $10$ | 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: | $F_5$ | ||
CHM label: | $1/2[F(5)]2$ | ||
Parity: | $-1$ | magma: IsEven(G);
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Primitive: | no | magma: IsPrimitive(G);
| magma: NilpotencyClass(G);
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$\card{\Aut(F/K)}$: | $2$ | magma: Order(Centralizer(SymmetricGroup(n), G));
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Generators: | (1,3,5,7,9)(2,4,6,8,10), (1,2,9,8)(3,6,7,4)(5,10) | 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 2: $C_2$
Degree 5: $F_5$
Low degree siblings
5T3, 20T5Siblings 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 | Index | Representative |
1A | $1^{10}$ | $1$ | $1$ | $0$ | $()$ |
2A | $2^{4},1^{2}$ | $5$ | $2$ | $4$ | $(1,9)(2,8)(3,7)(4,6)$ |
4A1 | $4^{2},2$ | $5$ | $4$ | $7$ | $( 1, 2, 9, 8)( 3, 6, 7, 4)( 5,10)$ |
4A-1 | $4^{2},2$ | $5$ | $4$ | $7$ | $( 1, 8, 9, 2)( 3, 4, 7, 6)( 5,10)$ |
5A | $5^{2}$ | $4$ | $5$ | $8$ | $( 1, 3, 5, 7, 9)( 2, 4, 6, 8,10)$ |
magma: ConjugacyClasses(G);
Malle's constant $a(G)$: $1/4$
Group invariants
Order: | $20=2^{2} \cdot 5$ | 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: | not nilpotent | ||
Label: | 20.3 | magma: IdentifyGroup(G);
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Character table: |
1A | 2A | 4A1 | 4A-1 | 5A | ||
Size | 1 | 5 | 5 | 5 | 4 | |
2 P | 1A | 1A | 2A | 2A | 5A | |
5 P | 1A | 2A | 4A1 | 4A-1 | 1A | |
Type | ||||||
20.3.1a | R | |||||
20.3.1b | R | |||||
20.3.1c1 | C | |||||
20.3.1c2 | C | |||||
20.3.4a | R |
magma: CharacterTable(G);