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Magma
magma: G := TransitiveGroup(26, 5);
Group action invariants
Degree $n$: | $26$ | magma: t, n := TransitiveGroupIdentification(G); n;
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Transitive number $t$: | $5$ | magma: t, n := TransitiveGroupIdentification(G); t;
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Group: | $C_{13}:C_6$ | ||
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: | (1,10,4)(2,9,3)(5,19,16)(6,20,15)(7,12,22)(8,11,21)(17,24,26)(18,23,25), (1,2)(3,7,19,4,8,20)(5,13,11,6,14,12)(9,25,21,10,26,22)(15,17,23,16,18,24) | magma: Generators(G);
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Low degree resolvents
|G/N| Galois groups for stem field(s) $2$: $C_2$ $3$: $C_3$ $6$: $C_6$ $39$: $C_{13}:C_3$ Resolvents shown for degrees $\leq 47$
Subfields
Degree 2: $C_2$
Degree 13: $C_{13}:C_3$
Low degree siblings
There are no siblings with degree $\leq 47$
A number field with this Galois group has no arithmetically equivalent fields.
Conjugacy classes
Label | Cycle Type | Size | Order | Representative |
$1^{26}$ | $1$ | $1$ | $()$ | |
$3^{8},1^{2}$ | $13$ | $3$ | $( 3, 8,19)( 4, 7,20)( 5,14,11)( 6,13,12)( 9,26,21)(10,25,22)(15,18,23) (16,17,24)$ | |
$3^{8},1^{2}$ | $13$ | $3$ | $( 3,19, 8)( 4,20, 7)( 5,11,14)( 6,12,13)( 9,21,26)(10,22,25)(15,23,18) (16,24,17)$ | |
$2^{13}$ | $1$ | $2$ | $( 1, 2)( 3, 4)( 5, 6)( 7, 8)( 9,10)(11,12)(13,14)(15,16)(17,18)(19,20)(21,22) (23,24)(25,26)$ | |
$6^{4},2$ | $13$ | $6$ | $( 1, 2)( 3, 7,19, 4, 8,20)( 5,13,11, 6,14,12)( 9,25,21,10,26,22) (15,17,23,16,18,24)$ | |
$6^{4},2$ | $13$ | $6$ | $( 1, 2)( 3,20, 8, 4,19, 7)( 5,12,14, 6,11,13)( 9,22,26,10,21,25) (15,24,18,16,23,17)$ | |
$26$ | $3$ | $26$ | $( 1, 3, 6, 8,10,11,13,16,18,19,22,24,25, 2, 4, 5, 7, 9,12,14,15,17,20,21,23,26 )$ | |
$13^{2}$ | $3$ | $13$ | $( 1, 4, 6, 7,10,12,13,15,18,20,22,23,25)( 2, 3, 5, 8, 9,11,14,16,17,19,21,24, 26)$ | |
$26$ | $3$ | $26$ | $( 1, 5,10,14,18,21,25, 3, 7,11,15,19,23, 2, 6, 9,13,17,22,26, 4, 8,12,16,20,24 )$ | |
$13^{2}$ | $3$ | $13$ | $( 1, 6,10,13,18,22,25, 4, 7,12,15,20,23)( 2, 5, 9,14,17,21,26, 3, 8,11,16,19, 24)$ | |
$26$ | $3$ | $26$ | $( 1, 9,18,26, 7,16,23, 5,13,21, 4,11,20, 2,10,17,25, 8,15,24, 6,14,22, 3,12,19 )$ | |
$13^{2}$ | $3$ | $13$ | $( 1,10,18,25, 7,15,23, 6,13,22, 4,12,20)( 2, 9,17,26, 8,16,24, 5,14,21, 3,11, 19)$ | |
$13^{2}$ | $3$ | $13$ | $( 1,15, 4,18, 6,20, 7,22,10,23,12,25,13)( 2,16, 3,17, 5,19, 8,21, 9,24,11,26, 14)$ | |
$26$ | $3$ | $26$ | $( 1,16, 4,17, 6,19, 7,21,10,24,12,26,13, 2,15, 3,18, 5,20, 8,22, 9,23,11,25,14 )$ |
magma: ConjugacyClasses(G);
Group invariants
Order: | $78=2 \cdot 3 \cdot 13$ | 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: | 78.2 | magma: IdentifyGroup(G);
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Character table: |
1A | 2A | 3A1 | 3A-1 | 6A1 | 6A-1 | 13A1 | 13A-1 | 13A2 | 13A-2 | 26A1 | 26A-1 | 26A5 | 26A-5 | ||
Size | 1 | 1 | 13 | 13 | 13 | 13 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | |
2 P | 1A | 1A | 3A-1 | 3A1 | 3A1 | 3A-1 | 13A1 | 13A-2 | 13A2 | 13A-1 | 13A-1 | 13A-2 | 13A2 | 13A1 | |
3 P | 1A | 2A | 1A | 1A | 2A | 2A | 13A-2 | 13A-1 | 13A1 | 13A2 | 26A-1 | 26A-5 | 26A5 | 26A1 | |
13 P | 1A | 2A | 3A1 | 3A-1 | 6A1 | 6A-1 | 1A | 1A | 1A | 1A | 2A | 2A | 2A | 2A | |
Type | |||||||||||||||
78.2.1a | R | ||||||||||||||
78.2.1b | R | ||||||||||||||
78.2.1c1 | C | ||||||||||||||
78.2.1c2 | C | ||||||||||||||
78.2.1d1 | C | ||||||||||||||
78.2.1d2 | C | ||||||||||||||
78.2.3a1 | C | ||||||||||||||
78.2.3a2 | C | ||||||||||||||
78.2.3a3 | C | ||||||||||||||
78.2.3a4 | C | ||||||||||||||
78.2.3b1 | C | ||||||||||||||
78.2.3b2 | C | ||||||||||||||
78.2.3b3 | C | ||||||||||||||
78.2.3b4 | C |
magma: CharacterTable(G);