Properties

Label 9T12
Degree $9$
Order $54$
Cyclic no
Abelian no
Solvable yes
Primitive no
$p$-group no
Group: $(C_3^2:C_3):C_2$

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Show commands: Magma

magma: G := TransitiveGroup(9, 12);
 

Group action invariants

Degree $n$:  $9$
magma: t, n := TransitiveGroupIdentification(G); n;
 
Transitive number $t$:  $12$
magma: t, n := TransitiveGroupIdentification(G); t;
 
Group:  $(C_3^2:C_3):C_2$
CHM label:   $[3^{2}]S(3)$
Parity:  $-1$
magma: IsEven(G);
 
Primitive:  no
magma: IsPrimitive(G);
 
magma: NilpotencyClass(G);
 
$\card{\Aut(F/K)}$:  $3$
magma: Order(Centralizer(SymmetricGroup(n), G));
 
Generators:  (3,6)(4,7)(5,8), (3,4,5)(6,8,7), (1,4,7)(2,5,8)(3,6,9)
magma: Generators(G);
 

Low degree resolvents

|G/N|Galois groups for stem field(s)
$2$:  $C_2$
$6$:  $S_3$ x 4
$18$:  $C_3^2:C_2$

Resolvents shown for degrees $\leq 47$

Subfields

Degree 3: $S_3$

Low degree siblings

9T12 x 3, 18T24 x 4, 27T6

Siblings are shown with degree $\leq 47$

A number field with this Galois group has no arithmetically equivalent fields.

Conjugacy classes

LabelCycle TypeSizeOrderRepresentative
$ 1, 1, 1, 1, 1, 1, 1, 1, 1 $ $1$ $1$ $()$
$ 3, 3, 1, 1, 1 $ $6$ $3$ $(3,4,5)(6,8,7)$
$ 2, 2, 2, 1, 1, 1 $ $9$ $2$ $(3,6)(4,7)(5,8)$
$ 3, 3, 3 $ $1$ $3$ $(1,2,9)(3,4,5)(6,7,8)$
$ 6, 3 $ $9$ $6$ $(1,2,9)(3,6,5,8,4,7)$
$ 6, 3 $ $9$ $6$ $(1,3,2,4,9,5)(6,8,7)$
$ 3, 3, 3 $ $6$ $3$ $(1,3,6)(2,4,7)(5,8,9)$
$ 3, 3, 3 $ $6$ $3$ $(1,3,7)(2,4,8)(5,6,9)$
$ 3, 3, 3 $ $6$ $3$ $(1,3,8)(2,4,6)(5,7,9)$
$ 3, 3, 3 $ $1$ $3$ $(1,9,2)(3,5,4)(6,8,7)$

magma: ConjugacyClasses(G);
 

Group invariants

Order:  $54=2 \cdot 3^{3}$
magma: Order(G);
 
Cyclic:  no
magma: IsCyclic(G);
 
Abelian:  no
magma: IsAbelian(G);
 
Solvable:  yes
magma: IsSolvable(G);
 
Nilpotency class:   not nilpotent
Label:  54.8
magma: IdentifyGroup(G);
 
Character table:

1A 2A 3A1 3A-1 3B 3C 3D 3E 6A1 6A-1
Size 1 9 1 1 6 6 6 6 9 9
2 P 1A 1A 3A-1 3A1 3B 3C 3D 3E 3A1 3A-1
3 P 1A 2A 1A 1A 1A 1A 1A 1A 2A 2A
Type
54.8.1a R 1 1 1 1 1 1 1 1 1 1
54.8.1b R 1 1 1 1 1 1 1 1 1 1
54.8.2a R 2 0 2 2 1 1 1 2 0 0
54.8.2b R 2 0 2 2 1 1 2 1 0 0
54.8.2c R 2 0 2 2 1 2 1 1 0 0
54.8.2d R 2 0 2 2 2 1 1 1 0 0
54.8.3a1 C 3 1 3ζ31 3ζ3 0 0 0 0 ζ3 ζ31
54.8.3a2 C 3 1 3ζ3 3ζ31 0 0 0 0 ζ31 ζ3
54.8.3b1 C 3 1 3ζ31 3ζ3 0 0 0 0 ζ3 ζ31
54.8.3b2 C 3 1 3ζ3 3ζ31 0 0 0 0 ζ31 ζ3

magma: CharacterTable(G);