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Magma
magma: G := TransitiveGroup(30, 45);
Group action invariants
Degree $n$: | $30$ | magma: t, n := TransitiveGroupIdentification(G); n;
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Transitive number $t$: | $45$ | magma: t, n := TransitiveGroupIdentification(G); t;
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Group: | $\GL(2,4)$ | ||
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)(2,9)(3,7)(10,29)(11,30)(12,28)(13,25)(14,26)(15,27)(16,24)(17,22)(18,23), (1,7,15,30,18,2,8,13,28,16,3,9,14,29,17)(4,25,22,20,10,5,26,23,21,11,6,27,24,19,12) | magma: Generators(G);
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Low degree resolvents
|G/N| Galois groups for stem field(s) $3$: $C_3$ $60$: $A_5$ Resolvents shown for degrees $\leq 47$
Subfields
Degree 2: None
Degree 3: $C_3$
Degree 5: None
Degree 6: None
Degree 10: $A_{5}$
Degree 15: None
Low degree siblings
15T15 x 2, 15T16, 18T90, 36T176, 45T16Siblings 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 |
$1^{30}$ | $1$ | $1$ | $()$ | |
$3^{9},1^{3}$ | $20$ | $3$ | $( 4,11,14)( 5,12,15)( 6,10,13)( 7,18,25)( 8,16,26)( 9,17,27)(19,23,29) (20,24,30)(21,22,28)$ | |
$2^{12},1^{6}$ | $15$ | $2$ | $( 4,20)( 5,21)( 6,19)(10,29)(11,30)(12,28)(13,23)(14,24)(15,22)(16,26)(17,27) (18,25)$ | |
$3^{10}$ | $1$ | $3$ | $( 1, 2, 3)( 4, 5, 6)( 7, 8, 9)(10,11,12)(13,14,15)(16,17,18)(19,20,21) (22,23,24)(25,26,27)(28,29,30)$ | |
$3^{10}$ | $20$ | $3$ | $( 1, 2, 3)( 4,12,13)( 5,10,14)( 6,11,15)( 7,16,27)( 8,17,25)( 9,18,26) (19,24,28)(20,22,29)(21,23,30)$ | |
$6^{4},3^{2}$ | $15$ | $6$ | $( 1, 2, 3)( 4,21, 6,20, 5,19)( 7, 8, 9)(10,30,12,29,11,28)(13,24,15,23,14,22) (16,27,18,26,17,25)$ | |
$3^{10}$ | $1$ | $3$ | $( 1, 3, 2)( 4, 6, 5)( 7, 9, 8)(10,12,11)(13,15,14)(16,18,17)(19,21,20) (22,24,23)(25,27,26)(28,30,29)$ | |
$3^{10}$ | $20$ | $3$ | $( 1, 3, 2)( 4,10,15)( 5,11,13)( 6,12,14)( 7,17,26)( 8,18,27)( 9,16,25) (19,22,30)(20,23,28)(21,24,29)$ | |
$6^{4},3^{2}$ | $15$ | $6$ | $( 1, 3, 2)( 4,19, 5,20, 6,21)( 7, 9, 8)(10,28,11,29,12,30)(13,22,14,23,15,24) (16,25,17,26,18,27)$ | |
$5^{6}$ | $12$ | $5$ | $( 1, 4, 8,16,24)( 2, 5, 9,17,22)( 3, 6, 7,18,23)(10,25,19,13,29) (11,26,20,14,30)(12,27,21,15,28)$ | |
$5^{6}$ | $12$ | $5$ | $( 1, 4,26,16,20)( 2, 5,27,17,21)( 3, 6,25,18,19)( 7,23,10,29,13) ( 8,24,11,30,14)( 9,22,12,28,15)$ | |
$15^{2}$ | $12$ | $15$ | $( 1, 5, 7,16,22, 3, 4, 9,18,24, 2, 6, 8,17,23)(10,26,21,13,30,12,25,20,15,29, 11,27,19,14,28)$ | |
$15^{2}$ | $12$ | $15$ | $( 1, 5,25,16,21, 3, 4,27,18,20, 2, 6,26,17,19)( 7,24,12,29,14, 9,23,11,28,13, 8,22,10,30,15)$ | |
$15^{2}$ | $12$ | $15$ | $( 1, 6, 9,16,23, 2, 4, 7,17,24, 3, 5, 8,18,22)(10,27,20,13,28,11,25,21,14,29, 12,26,19,15,30)$ | |
$15^{2}$ | $12$ | $15$ | $( 1, 6,27,16,19, 2, 4,25,17,20, 3, 5,26,18,21)( 7,22,11,29,15, 8,23,12,30,13, 9,24,10,28,14)$ |
magma: ConjugacyClasses(G);
Group invariants
Order: | $180=2^{2} \cdot 3^{2} \cdot 5$ | 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: | no | magma: IsSolvable(G);
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Nilpotency class: | not nilpotent | ||
Label: | 180.19 | magma: IdentifyGroup(G);
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Character table: |
1A | 2A | 3A1 | 3A-1 | 3B | 3C1 | 3C-1 | 5A1 | 5A2 | 6A1 | 6A-1 | 15A1 | 15A-1 | 15A2 | 15A-2 | ||
Size | 1 | 15 | 1 | 1 | 20 | 20 | 20 | 12 | 12 | 15 | 15 | 12 | 12 | 12 | 12 | |
2 P | 1A | 1A | 3A-1 | 3A1 | 3C1 | 3B | 3C-1 | 5A2 | 5A1 | 3A1 | 3A-1 | 15A-1 | 15A2 | 15A1 | 15A-2 | |
3 P | 1A | 2A | 1A | 1A | 1A | 1A | 1A | 5A2 | 5A1 | 2A | 2A | 5A2 | 5A1 | 5A2 | 5A1 | |
5 P | 1A | 2A | 3A-1 | 3A1 | 3C1 | 3B | 3C-1 | 1A | 1A | 6A-1 | 6A1 | 3A1 | 3A1 | 3A-1 | 3A-1 | |
Type | ||||||||||||||||
180.19.1a | R | |||||||||||||||
180.19.1b1 | C | |||||||||||||||
180.19.1b2 | C | |||||||||||||||
180.19.3a1 | R | |||||||||||||||
180.19.3a2 | R | |||||||||||||||
180.19.3b1 | C | |||||||||||||||
180.19.3b2 | C | |||||||||||||||
180.19.3b3 | C | |||||||||||||||
180.19.3b4 | C | |||||||||||||||
180.19.4a | R | |||||||||||||||
180.19.4b1 | C | |||||||||||||||
180.19.4b2 | C | |||||||||||||||
180.19.5a | R | |||||||||||||||
180.19.5b1 | C | |||||||||||||||
180.19.5b2 | C |
magma: CharacterTable(G);