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Magma
magma: G := TransitiveGroup(27, 26);
Group action invariants
Degree $n$: | $27$ | magma: t, n := TransitiveGroupIdentification(G); n;
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Transitive number $t$: | $26$ | magma: t, n := TransitiveGroupIdentification(G); t;
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Group: | $C_3.\He_3$ | ||
Parity: | $1$ | magma: IsEven(G);
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Primitive: | no | magma: IsPrimitive(G);
| magma: NilpotencyClass(G);
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$\card{\Aut(F/K)}$: | $9$ | magma: Order(Centralizer(SymmetricGroup(n), G));
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Generators: | (1,4,7,2,5,8,3,6,9)(10,13,18,11,14,16,12,15,17)(19,22,26,20,23,27,21,24,25), (1,12,25)(2,10,26)(3,11,27)(4,13,20)(5,14,21)(6,15,19)(7,16,24)(8,17,22)(9,18,23) | magma: Generators(G);
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Low degree resolvents
|G/N| Galois groups for stem field(s) $3$: $C_3$ x 4 $9$: $C_3^2$ $27$: $C_3^2:C_3$ Resolvents shown for degrees $\leq 47$
Subfields
Degree 3: $C_3$ x 4
Degree 9: $C_3^2$
Low degree siblings
27T20Siblings 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, 1 $ | $1$ | $1$ | $()$ | |
$ 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1 $ | $3$ | $3$ | $(10,11,12)(13,14,15)(16,17,18)(19,21,20)(22,24,23)(25,27,26)$ | |
$ 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1 $ | $3$ | $3$ | $(10,12,11)(13,15,14)(16,18,17)(19,20,21)(22,23,24)(25,26,27)$ | |
$ 3, 3, 3, 3, 3, 3, 3, 3, 3 $ | $1$ | $3$ | $( 1, 2, 3)( 4, 5, 6)( 7, 8, 9)(10,11,12)(13,14,15)(16,17,18)(19,20,21) (22,23,24)(25,26,27)$ | |
$ 3, 3, 3, 3, 3, 3, 3, 3, 3 $ | $1$ | $3$ | $( 1, 3, 2)( 4, 6, 5)( 7, 9, 8)(10,12,11)(13,15,14)(16,18,17)(19,21,20) (22,24,23)(25,27,26)$ | |
$ 9, 9, 9 $ | $3$ | $9$ | $( 1, 4, 7, 2, 5, 8, 3, 6, 9)(10,13,18,11,14,16,12,15,17)(19,22,26,20,23,27,21, 24,25)$ | |
$ 9, 9, 9 $ | $3$ | $9$ | $( 1, 4, 7, 2, 5, 8, 3, 6, 9)(10,14,17,11,15,18,12,13,16)(19,24,27,20,22,25,21, 23,26)$ | |
$ 9, 9, 9 $ | $3$ | $9$ | $( 1, 5, 9, 2, 6, 7, 3, 4, 8)(10,13,18,11,14,16,12,15,17)(19,24,27,20,22,25,21, 23,26)$ | |
$ 9, 9, 9 $ | $3$ | $9$ | $( 1, 7, 5, 3, 9, 4, 2, 8, 6)(10,16,13,12,18,15,11,17,14)(19,25,24,21,27,23,20, 26,22)$ | |
$ 9, 9, 9 $ | $3$ | $9$ | $( 1, 7, 5, 3, 9, 4, 2, 8, 6)(10,18,14,12,17,13,11,16,15)(19,26,23,21,25,22,20, 27,24)$ | |
$ 9, 9, 9 $ | $3$ | $9$ | $( 1, 8, 4, 3, 7, 6, 2, 9, 5)(10,16,13,12,18,15,11,17,14)(19,27,22,21,26,24,20, 25,23)$ | |
$ 3, 3, 3, 3, 3, 3, 3, 3, 3 $ | $9$ | $3$ | $( 1,10,25)( 2,11,26)( 3,12,27)( 4,14,20)( 5,15,21)( 6,13,19)( 7,17,24) ( 8,18,22)( 9,16,23)$ | |
$ 9, 9, 9 $ | $9$ | $9$ | $( 1,13,22, 3,15,24, 2,14,23)( 4,16,27, 6,18,26, 5,17,25)( 7,10,19, 9,12,21, 8, 11,20)$ | |
$ 9, 9, 9 $ | $9$ | $9$ | $( 1,16,21, 2,17,19, 3,18,20)( 4,10,22, 5,11,23, 6,12,24)( 7,14,27, 8,15,25, 9, 13,26)$ | |
$ 9, 9, 9 $ | $9$ | $9$ | $( 1,19,18, 3,21,17, 2,20,16)( 4,23,12, 6,22,11, 5,24,10)( 7,25,13, 9,27,15, 8, 26,14)$ | |
$ 9, 9, 9 $ | $9$ | $9$ | $( 1,22,14, 2,23,15, 3,24,13)( 4,27,17, 5,25,18, 6,26,16)( 7,19,11, 8,20,12, 9, 21,10)$ | |
$ 3, 3, 3, 3, 3, 3, 3, 3, 3 $ | $9$ | $3$ | $( 1,25,10)( 2,26,11)( 3,27,12)( 4,20,14)( 5,21,15)( 6,19,13)( 7,24,17) ( 8,22,18)( 9,23,16)$ |
magma: ConjugacyClasses(G);
Group invariants
Order: | $81=3^{4}$ | 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: | $3$ | ||
Label: | 81.8 | magma: IdentifyGroup(G);
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Character table: |
1A | 3A1 | 3A-1 | 3B1 | 3B-1 | 3C1 | 3C-1 | 9A1 | 9A-1 | 9A2 | 9A-2 | 9A4 | 9A-4 | 9B1 | 9B-1 | 9C1 | 9C-1 | ||
Size | 1 | 1 | 1 | 3 | 3 | 9 | 9 | 3 | 3 | 3 | 3 | 3 | 3 | 9 | 9 | 9 | 9 | |
3 P | 1A | 3A-1 | 3A1 | 3B-1 | 3B1 | 3C-1 | 3C1 | 9A2 | 9A4 | 9A-2 | 9A1 | 9A-1 | 9A-4 | 9B-1 | 9B1 | 9C-1 | 9C1 | |
Type | ||||||||||||||||||
81.8.1a | R | |||||||||||||||||
81.8.1b1 | C | |||||||||||||||||
81.8.1b2 | C | |||||||||||||||||
81.8.1c1 | C | |||||||||||||||||
81.8.1c2 | C | |||||||||||||||||
81.8.1d1 | C | |||||||||||||||||
81.8.1d2 | C | |||||||||||||||||
81.8.1e1 | C | |||||||||||||||||
81.8.1e2 | C | |||||||||||||||||
81.8.3a1 | C | |||||||||||||||||
81.8.3a2 | C | |||||||||||||||||
81.8.3b1 | C | |||||||||||||||||
81.8.3b2 | C | |||||||||||||||||
81.8.3b3 | C | |||||||||||||||||
81.8.3b4 | C | |||||||||||||||||
81.8.3b5 | C | |||||||||||||||||
81.8.3b6 | C |
magma: CharacterTable(G);