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Magma
magma: G := TransitiveGroup(28, 36);
Group action invariants
Degree $n$: | $28$ | magma: t, n := TransitiveGroupIdentification(G); n;
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Transitive number $t$: | $36$ | magma: t, n := TransitiveGroupIdentification(G); t;
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Group: | $D_7^2$ | ||
Parity: | $1$ | magma: IsEven(G);
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Primitive: | no | magma: IsPrimitive(G);
| magma: NilpotencyClass(G);
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$\card{\Aut(F/K)}$: | $14$ | magma: Order(Centralizer(SymmetricGroup(n), G));
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Generators: | (1,2)(3,7)(4,8)(5,25)(6,26)(9,22)(10,21)(11,27)(12,28)(13,18)(14,17)(15,24)(16,23)(19,20), (1,12,25,8,22,3,18,27,14,24,10,20,6,16)(2,11,26,7,21,4,17,28,13,23,9,19,5,15) | magma: Generators(G);
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Low degree resolvents
|G/N| Galois groups for stem field(s) $2$: $C_2$ x 3 $4$: $C_2^2$ $14$: $D_{7}$ x 2 $28$: $D_{14}$ x 2 Resolvents shown for degrees $\leq 47$
Subfields
Degree 2: $C_2$ x 3
Degree 4: $C_2^2$
Degree 7: None
Degree 14: 14T13
Low degree siblings
14T13 x 3, 28T36 x 2Siblings 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 |
$1^{28}$ | $1$ | $1$ | $()$ | |
$7^{2},1^{14}$ | $4$ | $7$ | $( 3, 8,12,16,20,24,27)( 4, 7,11,15,19,23,28)$ | |
$7^{2},1^{14}$ | $4$ | $7$ | $( 3,12,20,27, 8,16,24)( 4,11,19,28, 7,15,23)$ | |
$7^{2},1^{14}$ | $4$ | $7$ | $( 3,16,27,12,24, 8,20)( 4,15,28,11,23, 7,19)$ | |
$2^{14}$ | $49$ | $2$ | $( 1, 2)( 3, 4)( 5,25)( 6,26)( 7,27)( 8,28)( 9,22)(10,21)(11,24)(12,23)(13,18) (14,17)(15,20)(16,19)$ | |
$2^{14}$ | $7$ | $2$ | $( 1, 3)( 2, 4)( 5, 7)( 6, 8)( 9,11)(10,12)(13,15)(14,16)(17,19)(18,20)(21,23) (22,24)(25,27)(26,28)$ | |
$14^{2}$ | $14$ | $14$ | $( 1, 3, 6, 8,10,12,14,16,18,20,22,24,25,27)( 2, 4, 5, 7, 9,11,13,15,17,19,21, 23,26,28)$ | |
$14^{2}$ | $14$ | $14$ | $( 1, 3,10,12,18,20,25,27, 6, 8,14,16,22,24)( 2, 4, 9,11,17,19,26,28, 5, 7,13, 15,21,23)$ | |
$14^{2}$ | $14$ | $14$ | $( 1, 3,14,16,25,27,10,12,22,24, 6, 8,18,20)( 2, 4,13,15,26,28, 9,11,21,23, 5, 7,17,19)$ | |
$2^{14}$ | $7$ | $2$ | $( 1, 4)( 2, 3)( 5,27)( 6,28)( 7,25)( 8,26)( 9,24)(10,23)(11,22)(12,21)(13,20) (14,19)(15,18)(16,17)$ | |
$14^{2}$ | $14$ | $14$ | $( 1, 4, 6,28,10,23,14,19,18,15,22,11,25, 7)( 2, 3, 5,27, 9,24,13,20,17,16,21, 12,26, 8)$ | |
$14^{2}$ | $14$ | $14$ | $( 1, 4,10,23,18,15,25, 7, 6,28,14,19,22,11)( 2, 3, 9,24,17,16,26, 8, 5,27,13, 20,21,12)$ | |
$14^{2}$ | $14$ | $14$ | $( 1, 4,14,19,25, 7,10,23,22,11, 6,28,18,15)( 2, 3,13,20,26, 8, 9,24,21,12, 5, 27,17,16)$ | |
$7^{4}$ | $2$ | $7$ | $( 1, 6,10,14,18,22,25)( 2, 5, 9,13,17,21,26)( 3, 8,12,16,20,24,27) ( 4, 7,11,15,19,23,28)$ | |
$7^{4}$ | $4$ | $7$ | $( 1, 6,10,14,18,22,25)( 2, 5, 9,13,17,21,26)( 3,12,20,27, 8,16,24) ( 4,11,19,28, 7,15,23)$ | |
$7^{4}$ | $4$ | $7$ | $( 1, 6,10,14,18,22,25)( 2, 5, 9,13,17,21,26)( 3,16,27,12,24, 8,20) ( 4,15,28,11,23, 7,19)$ | |
$7^{4}$ | $4$ | $7$ | $( 1, 6,10,14,18,22,25)( 2, 5, 9,13,17,21,26)( 3,20, 8,24,12,27,16) ( 4,19, 7,23,11,28,15)$ | |
$7^{4}$ | $4$ | $7$ | $( 1, 6,10,14,18,22,25)( 2, 5, 9,13,17,21,26)( 3,24,16, 8,27,20,12) ( 4,23,15, 7,28,19,11)$ | |
$7^{4}$ | $2$ | $7$ | $( 1, 6,10,14,18,22,25)( 2, 5, 9,13,17,21,26)( 3,27,24,20,16,12, 8) ( 4,28,23,19,15,11, 7)$ | |
$7^{4}$ | $2$ | $7$ | $( 1,10,18,25, 6,14,22)( 2, 9,17,26, 5,13,21)( 3,12,20,27, 8,16,24) ( 4,11,19,28, 7,15,23)$ | |
$7^{4}$ | $4$ | $7$ | $( 1,10,18,25, 6,14,22)( 2, 9,17,26, 5,13,21)( 3,16,27,12,24, 8,20) ( 4,15,28,11,23, 7,19)$ | |
$7^{4}$ | $4$ | $7$ | $( 1,10,18,25, 6,14,22)( 2, 9,17,26, 5,13,21)( 3,20, 8,24,12,27,16) ( 4,19, 7,23,11,28,15)$ | |
$7^{4}$ | $2$ | $7$ | $( 1,10,18,25, 6,14,22)( 2, 9,17,26, 5,13,21)( 3,24,16, 8,27,20,12) ( 4,23,15, 7,28,19,11)$ | |
$7^{4}$ | $2$ | $7$ | $( 1,14,25,10,22, 6,18)( 2,13,26, 9,21, 5,17)( 3,16,27,12,24, 8,20) ( 4,15,28,11,23, 7,19)$ | |
$7^{4}$ | $2$ | $7$ | $( 1,14,25,10,22, 6,18)( 2,13,26, 9,21, 5,17)( 3,20, 8,24,12,27,16) ( 4,19, 7,23,11,28,15)$ |
magma: ConjugacyClasses(G);
Group invariants
Order: | $196=2^{2} \cdot 7^{2}$ | 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: | 196.9 | magma: IdentifyGroup(G);
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Character table: |
1A | 2A | 2B | 2C | 7A1 | 7A2 | 7A3 | 7B1 | 7B2 | 7B3 | 7C1 | 7C2 | 7C3 | 7D1 | 7D2 | 7D3 | 7E1 | 7E2 | 7E3 | 14A1 | 14A3 | 14A5 | 14B1 | 14B3 | 14B5 | ||
Size | 1 | 7 | 7 | 49 | 2 | 2 | 2 | 2 | 2 | 2 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 14 | 14 | 14 | 14 | 14 | 14 | |
2 P | 1A | 1A | 1A | 1A | 7A2 | 7A3 | 7A1 | 7B2 | 7B3 | 7B1 | 7D2 | 7C1 | 7D3 | 7C3 | 7D1 | 7E2 | 7E1 | 7C2 | 7E3 | 7B3 | 7A2 | 7B2 | 7A1 | 7B1 | 7A3 | |
7 P | 1A | 2A | 2B | 2C | 7A3 | 7A1 | 7A2 | 7B3 | 7B1 | 7B2 | 7D3 | 7C2 | 7D1 | 7C1 | 7D2 | 7E3 | 7E2 | 7C3 | 7E1 | 14B5 | 14A1 | 14B1 | 14A3 | 14B3 | 14A5 | |
Type | ||||||||||||||||||||||||||
196.9.1a | R | |||||||||||||||||||||||||
196.9.1b | R | |||||||||||||||||||||||||
196.9.1c | R | |||||||||||||||||||||||||
196.9.1d | R | |||||||||||||||||||||||||
196.9.2a1 | R | |||||||||||||||||||||||||
196.9.2a2 | R | |||||||||||||||||||||||||
196.9.2a3 | R | |||||||||||||||||||||||||
196.9.2b1 | R | |||||||||||||||||||||||||
196.9.2b2 | R | |||||||||||||||||||||||||
196.9.2b3 | R | |||||||||||||||||||||||||
196.9.2c1 | R | |||||||||||||||||||||||||
196.9.2c2 | R | |||||||||||||||||||||||||
196.9.2c3 | R | |||||||||||||||||||||||||
196.9.2d1 | R | |||||||||||||||||||||||||
196.9.2d2 | R | |||||||||||||||||||||||||
196.9.2d3 | R | |||||||||||||||||||||||||
196.9.4a1 | R | |||||||||||||||||||||||||
196.9.4a2 | R | |||||||||||||||||||||||||
196.9.4a3 | R | |||||||||||||||||||||||||
196.9.4b1 | R | |||||||||||||||||||||||||
196.9.4b2 | R | |||||||||||||||||||||||||
196.9.4b3 | R | |||||||||||||||||||||||||
196.9.4c1 | R | |||||||||||||||||||||||||
196.9.4c2 | R | |||||||||||||||||||||||||
196.9.4c3 | R |
magma: CharacterTable(G);