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Magma
magma: G := TransitiveGroup(15, 7);
Group action invariants
Degree $n$: | $15$ | magma: t, n := TransitiveGroupIdentification(G); n;
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Transitive number $t$: | $7$ | magma: t, n := TransitiveGroupIdentification(G); t;
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Group: | $D_5\times S_3$ | ||
CHM label: | $D(5)[x]S(3)$ | ||
Parity: | $-1$ | magma: IsEven(G);
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Primitive: | no | magma: IsPrimitive(G);
| magma: NilpotencyClass(G);
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$\card{\Aut(F/K)}$: | $1$ | magma: Order(Centralizer(SymmetricGroup(n), G));
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Generators: | (1,4)(2,8)(3,12)(6,9)(7,13)(11,14), (1,11)(2,7)(4,14)(5,10)(8,13), (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15) | magma: Generators(G);
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Low degree resolvents
|G/N| Galois groups for stem field(s) $2$: $C_2$ x 3 $4$: $C_2^2$ $6$: $S_3$ $10$: $D_{5}$ $12$: $D_{6}$ $20$: $D_{10}$ Resolvents shown for degrees $\leq 47$
Subfields
Degree 3: $S_3$
Degree 5: $D_{5}$
Low degree siblings
30T8, 30T10, 30T13Siblings 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 |
$1^{15}$ | $1$ | $1$ | $()$ | |
$2^{6},1^{3}$ | $5$ | $2$ | $( 2, 5)( 3, 9)( 4,13)( 7,10)( 8,14)(12,15)$ | |
$2^{5},1^{5}$ | $3$ | $2$ | $( 2,12)( 3, 8)( 5,15)( 6,11)( 9,14)$ | |
$2^{7},1$ | $15$ | $2$ | $( 2,15)( 3,14)( 4,13)( 5,12)( 6,11)( 7,10)( 8, 9)$ | |
$15$ | $4$ | $15$ | $( 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15)$ | |
$6^{2},3$ | $10$ | $6$ | $( 1, 2, 6, 7,11,12)( 3,10, 8,15,13, 5)( 4,14, 9)$ | |
$10,5$ | $6$ | $10$ | $( 1, 2,13,14,10,11, 7, 8, 4, 5)( 3, 9,15, 6,12)$ | |
$15$ | $4$ | $15$ | $( 1, 3, 5, 7, 9,11,13,15, 2, 4, 6, 8,10,12,14)$ | |
$10,5$ | $6$ | $10$ | $( 1, 3,10,12, 4, 6,13,15, 7, 9)( 2,14,11, 8, 5)$ | |
$5^{3}$ | $2$ | $5$ | $( 1, 4, 7,10,13)( 2, 5, 8,11,14)( 3, 6, 9,12,15)$ | |
$3^{5}$ | $2$ | $3$ | $( 1, 6,11)( 2, 7,12)( 3, 8,13)( 4, 9,14)( 5,10,15)$ | |
$5^{3}$ | $2$ | $5$ | $( 1, 7,13, 4,10)( 2, 8,14, 5,11)( 3, 9,15, 6,12)$ |
magma: ConjugacyClasses(G);
Group invariants
Order: | $60=2^{2} \cdot 3 \cdot 5$ | 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: | yes | magma: IsSolvable(G);
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Nilpotency class: | not nilpotent | ||
Label: | 60.8 | magma: IdentifyGroup(G);
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Character table: |
1A | 2A | 2B | 2C | 3A | 5A1 | 5A2 | 6A | 10A1 | 10A3 | 15A1 | 15A2 | ||
Size | 1 | 3 | 5 | 15 | 2 | 2 | 2 | 10 | 6 | 6 | 4 | 4 | |
2 P | 1A | 1A | 1A | 1A | 3A | 5A2 | 5A1 | 3A | 5A1 | 5A2 | 15A2 | 15A1 | |
3 P | 1A | 2A | 2B | 2C | 1A | 5A2 | 5A1 | 2B | 10A3 | 10A1 | 5A1 | 5A2 | |
5 P | 1A | 2A | 2B | 2C | 3A | 1A | 1A | 6A | 2A | 2A | 3A | 3A | |
Type | |||||||||||||
60.8.1a | R | ||||||||||||
60.8.1b | R | ||||||||||||
60.8.1c | R | ||||||||||||
60.8.1d | R | ||||||||||||
60.8.2a | R | ||||||||||||
60.8.2b | R | ||||||||||||
60.8.2c1 | R | ||||||||||||
60.8.2c2 | R | ||||||||||||
60.8.2d1 | R | ||||||||||||
60.8.2d2 | R | ||||||||||||
60.8.4a1 | R | ||||||||||||
60.8.4a2 | R |
magma: CharacterTable(G);