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Magma
magma: G := TransitiveGroup(30, 27);
Group invariants
Abstract group: | $S_5$ | magma: IdentifyGroup(G);
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Order: | $120=2^{3} \cdot 3 \cdot 5$ | 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: | no | magma: IsSolvable(G);
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Nilpotency class: | not nilpotent | magma: NilpotencyClass(G);
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Group action invariants
Degree $n$: | $30$ | magma: t, n := TransitiveGroupIdentification(G); n;
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Transitive number $t$: | $27$ | magma: t, n := TransitiveGroupIdentification(G); t;
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Parity: | $1$ | magma: IsEven(G);
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Primitive: | no | magma: IsPrimitive(G);
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$\card{\Aut(F/K)}$: | $2$ | magma: Order(Centralizer(SymmetricGroup(n), G));
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Generators: | $(1,17,7,4)(2,18,8,3)(5,6)(9,30,12,15)(10,29,11,16)(13,22,24,19)(14,21,23,20)(25,27,26,28)$, $(1,11,13,28)(2,12,14,27)(3,29,5,23)(4,30,6,24)(7,25,15,21)(8,26,16,22)(9,19,10,20)(17,18)$ | magma: Generators(G);
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Low degree resolvents
$\card{(G/N)}$ Galois groups for stem field(s) $2$: $C_2$ Resolvents shown for degrees $\leq 47$
Subfields
Degree 2: None
Degree 3: None
Degree 5: $S_5$
Degree 6: None
Degree 10: $S_5$
Degree 15: $S_5$
Low degree siblings
5T5, 6T14, 10T12, 10T13, 12T74, 15T10, 20T30, 20T32, 20T35, 24T202, 30T22, 30T25, 40T62Siblings 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 | $1^{30}$ | $1$ | $1$ | $0$ | $()$ |
2A | $2^{12},1^{6}$ | $10$ | $2$ | $12$ | $( 1, 7)( 2, 8)( 9,19)(10,20)(11,21)(12,22)(13,15)(14,16)(23,29)(24,30)(25,28)(26,27)$ |
2B | $2^{14},1^{2}$ | $15$ | $2$ | $14$ | $( 1, 2)( 3,13)( 4,14)( 5, 9)( 6,10)( 7,22)( 8,21)(11,30)(12,29)(17,26)(18,25)(19,28)(20,27)(23,24)$ |
3A | $3^{10}$ | $20$ | $3$ | $20$ | $( 1,15,24)( 2,16,23)( 3,18, 5)( 4,17, 6)( 7,13,30)( 8,14,29)( 9,27,11)(10,28,12)(19,26,21)(20,25,22)$ |
4A | $4^{7},2$ | $30$ | $4$ | $22$ | $( 1,23, 2,24)( 3,20,13,27)( 4,19,14,28)( 5,11, 9,30)( 6,12,10,29)( 7,25,22,18)( 8,26,21,17)(15,16)$ |
5A | $5^{6}$ | $24$ | $5$ | $24$ | $( 1,27,17,12,13)( 2,28,18,11,14)( 3, 7,16, 6,19)( 4, 8,15, 5,20)( 9,21,30,23,26)(10,22,29,24,25)$ |
6A | $6^{4},3^{2}$ | $20$ | $6$ | $24$ | $( 1,30,15, 7,24,13)( 2,29,16, 8,23,14)( 3, 5,18)( 4, 6,17)( 9,21,27,19,11,26)(10,22,28,20,12,25)$ |
Malle's constant $a(G)$: $1/12$
magma: ConjugacyClasses(G);
Character table
1A | 2A | 2B | 3A | 4A | 5A | 6A | ||
Size | 1 | 10 | 15 | 20 | 30 | 24 | 20 | |
2 P | 1A | 1A | 1A | 3A | 2B | 5A | 3A | |
3 P | 1A | 2A | 2B | 1A | 4A | 5A | 2A | |
5 P | 1A | 2A | 2B | 3A | 4A | 1A | 6A | |
Type | ||||||||
120.34.1a | R | |||||||
120.34.1b | R | |||||||
120.34.4a | R | |||||||
120.34.4b | R | |||||||
120.34.5a | R | |||||||
120.34.5b | R | |||||||
120.34.6a | R |
magma: CharacterTable(G);
Regular extensions
Data not computed