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Magma
magma: G := TransitiveGroup(28, 22);
Group action invariants
Degree $n$: | $28$ | magma: t, n := TransitiveGroupIdentification(G); n;
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Transitive number $t$: | $22$ | magma: t, n := TransitiveGroupIdentification(G); t;
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Group: | $C_{28}:C_6$ | ||
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: | (1,27,4,21,8,24,2,28,3,22,7,23)(5,15,11,25,10,18,6,16,12,26,9,17)(13,19,14,20), (1,27,5,22,8,26)(2,28,6,21,7,25)(3,18,13,24,12,19)(4,17,14,23,11,20)(9,16)(10,15) | magma: Generators(G);
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Low degree resolvents
|G/N| Galois groups for stem field(s) $2$: $C_2$ x 3 $3$: $C_3$ $4$: $C_2^2$ $6$: $C_6$ x 3 $8$: $D_{4}$ $12$: $C_6\times C_2$ $21$: $C_7:C_3$ $24$: $D_4 \times C_3$ $42$: $(C_7:C_3) \times C_2$ x 3 $84$: 28T14 Resolvents shown for degrees $\leq 47$
Subfields
Degree 2: $C_2$
Degree 4: $D_{4}$
Degree 7: $C_7:C_3$
Degree 14: $(C_7:C_3) \times C_2$
Low degree siblings
28T22Siblings 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 $ | $1$ | $1$ | $()$ | |
$ 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 $ | $2$ | $2$ | $(15,16)(17,18)(19,20)(21,22)(23,24)(25,26)(27,28)$ | |
$ 6, 6, 3, 3, 3, 3, 2, 1, 1 $ | $14$ | $6$ | $( 3, 5,10)( 4, 6, 9)( 7,14,11)( 8,13,12)(15,23,26,16,24,25)(17,27,20,18,28,19) (21,22)$ | |
$ 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1 $ | $7$ | $3$ | $( 3, 5,10)( 4, 6, 9)( 7,14,11)( 8,13,12)(15,24,26)(16,23,25)(17,28,20) (18,27,19)$ | |
$ 6, 6, 3, 3, 3, 3, 2, 1, 1 $ | $14$ | $6$ | $( 3,10, 5)( 4, 9, 6)( 7,11,14)( 8,12,13)(15,25,24,16,26,23)(17,19,28,18,20,27) (21,22)$ | |
$ 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1 $ | $7$ | $3$ | $( 3,10, 5)( 4, 9, 6)( 7,11,14)( 8,12,13)(15,26,24)(16,25,23)(17,20,28) (18,19,27)$ | |
$ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 $ | $1$ | $2$ | $( 1, 2)( 3, 4)( 5, 6)( 7, 8)( 9,10)(11,12)(13,14)(15,16)(17,18)(19,20)(21,22) (23,24)(25,26)(27,28)$ | |
$ 6, 6, 6, 6, 2, 2 $ | $7$ | $6$ | $( 1, 2)( 3, 6,10, 4, 5, 9)( 7,13,11, 8,14,12)(15,23,26,16,24,25) (17,27,20,18,28,19)(21,22)$ | |
$ 6, 6, 6, 6, 2, 2 $ | $7$ | $6$ | $( 1, 2)( 3, 9, 5, 4,10, 6)( 7,12,14, 8,11,13)(15,25,24,16,26,23) (17,19,28,18,20,27)(21,22)$ | |
$ 14, 7, 7 $ | $6$ | $14$ | $( 1, 3, 5, 8,10,12,13)( 2, 4, 6, 7, 9,11,14)(15,17,19,21,24,25,27,16,18,20,22, 23,26,28)$ | |
$ 7, 7, 7, 7 $ | $3$ | $7$ | $( 1, 3, 5, 8,10,12,13)( 2, 4, 6, 7, 9,11,14)(15,18,19,22,24,26,27) (16,17,20,21,23,25,28)$ | |
$ 14, 14 $ | $3$ | $14$ | $( 1, 4, 5, 7,10,11,13, 2, 3, 6, 8, 9,12,14)(15,17,19,21,24,25,27,16,18,20,22, 23,26,28)$ | |
$ 14, 14 $ | $3$ | $14$ | $( 1, 7,13, 6,12, 4,10, 2, 8,14, 5,11, 3, 9)(15,21,27,20,26,17,24,16,22,28,19, 25,18,23)$ | |
$ 14, 7, 7 $ | $6$ | $14$ | $( 1, 7,13, 6,12, 4,10, 2, 8,14, 5,11, 3, 9)(15,22,27,19,26,18,24) (16,21,28,20,25,17,23)$ | |
$ 7, 7, 7, 7 $ | $3$ | $7$ | $( 1, 8,13, 5,12, 3,10)( 2, 7,14, 6,11, 4, 9)(15,22,27,19,26,18,24) (16,21,28,20,25,17,23)$ | |
$ 14, 14 $ | $6$ | $14$ | $( 1,15, 3,18, 5,19, 8,22,10,24,12,26,13,27)( 2,16, 4,17, 6,20, 7,21, 9,23,11, 25,14,28)$ | |
$ 28 $ | $6$ | $28$ | $( 1,15, 4,17, 5,19, 7,21,10,24,11,25,13,27, 2,16, 3,18, 6,20, 8,22, 9,23,12, 26,14,28)$ | |
$ 12, 12, 4 $ | $14$ | $12$ | $( 1,15,11,21,10,18, 2,16,12,22, 9,17)( 3,19, 6,23,13,26, 4,20, 5,24,14,25) ( 7,28, 8,27)$ | |
$ 6, 6, 6, 6, 2, 2 $ | $14$ | $6$ | $( 1,15,12,22,10,18)( 2,16,11,21, 9,17)( 3,19, 5,24,13,26)( 4,20, 6,23,14,25) ( 7,28)( 8,27)$ | |
$ 6, 6, 6, 6, 2, 2 $ | $14$ | $6$ | $( 1,15,13,22,10,19)( 2,16,14,21, 9,20)( 3,24)( 4,23)( 5,18, 8,26,12,27) ( 6,17, 7,25,11,28)$ | |
$ 12, 12, 4 $ | $14$ | $12$ | $( 1,15,14,21,10,19, 2,16,13,22, 9,20)( 3,24, 4,23)( 5,18, 7,25,12,27, 6,17, 8, 26,11,28)$ | |
$ 28 $ | $6$ | $28$ | $( 1,17, 7,24,13,16, 6,22,12,28, 4,19,10,25, 2,18, 8,23,14,15, 5,21,11,27, 3, 20, 9,26)$ | |
$ 14, 14 $ | $6$ | $14$ | $( 1,17, 8,23,13,16, 5,21,12,28, 3,20,10,25)( 2,18, 7,24,14,15, 6,22,11,27, 4, 19, 9,26)$ | |
$ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 $ | $2$ | $2$ | $( 1,21)( 2,22)( 3,23)( 4,24)( 5,25)( 6,26)( 7,27)( 8,28)( 9,15)(10,16)(11,18) (12,17)(13,20)(14,19)$ | |
$ 4, 4, 4, 4, 4, 4, 4 $ | $2$ | $4$ | $( 1,21, 2,22)( 3,23, 4,24)( 5,25, 6,26)( 7,27, 8,28)( 9,15,10,16)(11,18,12,17) (13,20,14,19)$ |
magma: ConjugacyClasses(G);
Group invariants
Order: | $168=2^{3} \cdot 3 \cdot 7$ | 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: | 168.20 | magma: IdentifyGroup(G);
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Character table: |
1A | 2A | 2B | 2C | 3A1 | 3A-1 | 4A | 6A1 | 6A-1 | 6B1 | 6B-1 | 6C1 | 6C-1 | 7A1 | 7A-1 | 12A1 | 12A-1 | 14A1 | 14A-1 | 14B1 | 14B-1 | 14C1 | 14C-1 | 28A1 | 28A-1 | ||
Size | 1 | 1 | 2 | 2 | 7 | 7 | 2 | 7 | 7 | 14 | 14 | 14 | 14 | 3 | 3 | 14 | 14 | 3 | 3 | 6 | 6 | 6 | 6 | 6 | 6 | |
2 P | 1A | 1A | 1A | 1A | 3A-1 | 3A1 | 2A | 3A1 | 3A-1 | 3A1 | 3A-1 | 3A-1 | 3A1 | 7A1 | 7A-1 | 6A1 | 6A-1 | 7A-1 | 7A1 | 7A1 | 7A-1 | 7A1 | 7A-1 | 14A1 | 14A-1 | |
3 P | 1A | 2A | 2B | 2C | 1A | 1A | 4A | 2A | 2A | 2C | 2C | 2B | 2B | 7A-1 | 7A1 | 4A | 4A | 14A-1 | 14A1 | 14B-1 | 14B1 | 14C-1 | 14C1 | 28A-1 | 28A1 | |
7 P | 1A | 2A | 2B | 2C | 3A1 | 3A-1 | 4A | 6A1 | 6A-1 | 6C-1 | 6C1 | 6B-1 | 6B1 | 1A | 1A | 12A1 | 12A-1 | 2A | 2A | 2C | 2C | 2B | 2B | 4A | 4A | |
Type | ||||||||||||||||||||||||||
168.20.1a | R | |||||||||||||||||||||||||
168.20.1b | R | |||||||||||||||||||||||||
168.20.1c | R | |||||||||||||||||||||||||
168.20.1d | R | |||||||||||||||||||||||||
168.20.1e1 | C | |||||||||||||||||||||||||
168.20.1e2 | C | |||||||||||||||||||||||||
168.20.1f1 | C | |||||||||||||||||||||||||
168.20.1f2 | C | |||||||||||||||||||||||||
168.20.1g1 | C | |||||||||||||||||||||||||
168.20.1g2 | C | |||||||||||||||||||||||||
168.20.1h1 | C | |||||||||||||||||||||||||
168.20.1h2 | C | |||||||||||||||||||||||||
168.20.2a | R | |||||||||||||||||||||||||
168.20.2b1 | C | |||||||||||||||||||||||||
168.20.2b2 | C | |||||||||||||||||||||||||
168.20.3a1 | C | |||||||||||||||||||||||||
168.20.3a2 | C | |||||||||||||||||||||||||
168.20.3b1 | C | |||||||||||||||||||||||||
168.20.3b2 | C | |||||||||||||||||||||||||
168.20.3c1 | C | |||||||||||||||||||||||||
168.20.3c2 | C | |||||||||||||||||||||||||
168.20.3d1 | C | |||||||||||||||||||||||||
168.20.3d2 | C | |||||||||||||||||||||||||
168.20.6a1 | C | |||||||||||||||||||||||||
168.20.6a2 | C |
magma: CharacterTable(G);