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Magma
magma: G := TransitiveGroup(18, 49);
Group action invariants
Degree $n$: | $18$ | magma: t, n := TransitiveGroupIdentification(G); n;
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Transitive number $t$: | $49$ | magma: t, n := TransitiveGroupIdentification(G); t;
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Group: | $\He_3:C_4$ | ||
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: | (1,8,14)(2,9,15)(3,7,13)(4,10,18)(5,11,16)(6,12,17), (1,6,15,10,3,5,14,12,2,4,13,11)(7,17,8,18,9,16) | magma: Generators(G);
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Low degree resolvents
|G/N| Galois groups for stem field(s) $2$: $C_2$ $4$: $C_4$ $36$: $C_3^2:C_4$ Resolvents shown for degrees $\leq 47$
Subfields
Degree 2: $C_2$
Degree 3: None
Degree 6: $C_3^2:C_4$
Degree 9: None
Low degree siblings
18T49, 27T32, 36T85 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, 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, 1, 1, 1, 1, 1, 1 $ | $9$ | $2$ | $( 7,14)( 8,15)( 9,13)(10,16)(11,17)(12,18)$ | |
$ 3, 3, 3, 3, 3, 1, 1, 1 $ | $12$ | $3$ | $( 4,12,18)( 5,10,16)( 6,11,17)( 7, 9, 8)(13,14,15)$ | |
$ 3, 3, 3, 3, 3, 3 $ | $1$ | $3$ | $( 1, 2, 3)( 4, 5, 6)( 7, 8, 9)(10,11,12)(13,14,15)(16,17,18)$ | |
$ 6, 6, 3, 3 $ | $9$ | $6$ | $( 1, 2, 3)( 4, 5, 6)( 7,15, 9,14, 8,13)(10,17,12,16,11,18)$ | |
$ 3, 3, 3, 3, 3, 3 $ | $1$ | $3$ | $( 1, 3, 2)( 4, 6, 5)( 7, 9, 8)(10,12,11)(13,15,14)(16,18,17)$ | |
$ 6, 6, 3, 3 $ | $9$ | $6$ | $( 1, 3, 2)( 4, 6, 5)( 7,13, 8,14, 9,15)(10,18,11,16,12,17)$ | |
$ 12, 6 $ | $9$ | $12$ | $( 1, 4, 3, 6, 2, 5)( 7,11,13,16, 8,12,14,17, 9,10,15,18)$ | |
$ 12, 6 $ | $9$ | $12$ | $( 1, 4, 3, 6, 2, 5)( 7,17,13,10, 8,18,14,11, 9,16,15,12)$ | |
$ 12, 6 $ | $9$ | $12$ | $( 1, 4, 7,12, 3, 6, 9,11, 2, 5, 8,10)(13,18,14,16,15,17)$ | |
$ 4, 4, 4, 2, 2, 2 $ | $9$ | $4$ | $( 1, 4, 7,16)( 2, 5, 8,17)( 3, 6, 9,18)(10,15)(11,13)(12,14)$ | |
$ 12, 6 $ | $9$ | $12$ | $( 1, 5, 2, 6, 3, 4)( 7,18,15,10, 9,17,14,12, 8,16,13,11)$ | |
$ 4, 4, 4, 2, 2, 2 $ | $9$ | $4$ | $( 1, 5, 9,12)( 2, 6, 7,10)( 3, 4, 8,11)(13,16)(14,17)(15,18)$ | |
$ 3, 3, 3, 3, 3, 3 $ | $12$ | $3$ | $( 1, 7,15)( 2, 8,13)( 3, 9,14)( 4,12,16)( 5,10,17)( 6,11,18)$ |
magma: ConjugacyClasses(G);
Group invariants
Order: | $108=2^{2} \cdot 3^{3}$ | 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: | 108.15 | magma: IdentifyGroup(G);
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Character table: |
1A | 2A | 3A1 | 3A-1 | 3B | 3C | 4A1 | 4A-1 | 6A1 | 6A-1 | 12A1 | 12A-1 | 12A5 | 12A-5 | ||
Size | 1 | 9 | 1 | 1 | 12 | 12 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | |
2 P | 1A | 1A | 3A-1 | 3A1 | 3B | 3C | 2A | 2A | 3A1 | 3A-1 | 6A1 | 6A-1 | 6A-1 | 6A1 | |
3 P | 1A | 2A | 1A | 1A | 1A | 1A | 4A-1 | 4A1 | 2A | 2A | 4A1 | 4A-1 | 4A1 | 4A-1 | |
Type | |||||||||||||||
108.15.1a | R | ||||||||||||||
108.15.1b | R | ||||||||||||||
108.15.1c1 | C | ||||||||||||||
108.15.1c2 | C | ||||||||||||||
108.15.3a1 | C | ||||||||||||||
108.15.3a2 | C | ||||||||||||||
108.15.3b1 | C | ||||||||||||||
108.15.3b2 | C | ||||||||||||||
108.15.3c1 | C | ||||||||||||||
108.15.3c2 | C | ||||||||||||||
108.15.3c3 | C | ||||||||||||||
108.15.3c4 | C | ||||||||||||||
108.15.4a | R | ||||||||||||||
108.15.4b | R |
magma: CharacterTable(G);