Properties

Label 12T12
Degree $12$
Order $24$
Cyclic no
Abelian no
Solvable yes
Primitive no
$p$-group no
Group: $D_{12}$

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Show commands: Magma

magma: G := TransitiveGroup(12, 12);
 

Group action invariants

Degree $n$:  $12$
magma: t, n := TransitiveGroupIdentification(G); n;
 
Transitive number $t$:  $12$
magma: t, n := TransitiveGroupIdentification(G); t;
 
Group:  $D_{12}$
CHM label:   $1/2[3:2]cD(4)$
Parity:  $-1$
magma: IsEven(G);
 
Primitive:  no
magma: IsPrimitive(G);
 
magma: NilpotencyClass(G);
 
$\card{\Aut(F/K)}$:  $2$
magma: Order(Centralizer(SymmetricGroup(n), G));
 
Generators:  (1,11)(2,10)(3,9)(4,8)(5,7), (1,5,9)(2,6,10)(3,7,11)(4,8,12), (1,4,7,10)(2,5,8,11)(3,6,9,12)
magma: Generators(G);
 

Low degree resolvents

|G/N|Galois groups for stem field(s)
$2$:  $C_2$ x 3
$4$:  $C_2^2$
$6$:  $S_3$
$8$:  $D_{4}$
$12$:  $D_{6}$

Resolvents shown for degrees $\leq 47$

Subfields

Degree 2: $C_2$

Degree 3: $S_3$

Degree 4: $D_{4}$

Degree 6: $D_{6}$

Low degree siblings

12T12, 24T13

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, 1 $ $1$ $1$ $()$
$ 2, 2, 2, 2, 2, 1, 1 $ $6$ $2$ $( 2,12)( 3,11)( 4,10)( 5, 9)( 6, 8)$
$ 2, 2, 2, 2, 2, 2 $ $6$ $2$ $( 1, 2)( 3,12)( 4,11)( 5,10)( 6, 9)( 7, 8)$
$ 12 $ $2$ $12$ $( 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12)$
$ 6, 6 $ $2$ $6$ $( 1, 3, 5, 7, 9,11)( 2, 4, 6, 8,10,12)$
$ 4, 4, 4 $ $2$ $4$ $( 1, 4, 7,10)( 2, 5, 8,11)( 3, 6, 9,12)$
$ 3, 3, 3, 3 $ $2$ $3$ $( 1, 5, 9)( 2, 6,10)( 3, 7,11)( 4, 8,12)$
$ 12 $ $2$ $12$ $( 1, 6,11, 4, 9, 2, 7,12, 5,10, 3, 8)$
$ 2, 2, 2, 2, 2, 2 $ $1$ $2$ $( 1, 7)( 2, 8)( 3, 9)( 4,10)( 5,11)( 6,12)$

magma: ConjugacyClasses(G);
 

Group invariants

Order:  $24=2^{3} \cdot 3$
magma: Order(G);
 
Cyclic:  no
magma: IsCyclic(G);
 
Abelian:  no
magma: IsAbelian(G);
 
Solvable:  yes
magma: IsSolvable(G);
 
Nilpotency class:   not nilpotent
Label:  24.6
magma: IdentifyGroup(G);
 
Character table:

1A 2A 2B 2C 3A 4A 6A 12A1 12A5
Size 1 1 6 6 2 2 2 2 2
2 P 1A 1A 1A 1A 3A 2A 3A 6A 6A
3 P 1A 2A 2B 2C 1A 4A 2A 4A 4A
Type
24.6.1a R 1 1 1 1 1 1 1 1 1
24.6.1b R 1 1 1 1 1 1 1 1 1
24.6.1c R 1 1 1 1 1 1 1 1 1
24.6.1d R 1 1 1 1 1 1 1 1 1
24.6.2a R 2 2 0 0 1 2 1 1 1
24.6.2b R 2 2 0 0 2 0 2 0 0
24.6.2c R 2 2 0 0 1 2 1 1 1
24.6.2d1 R 2 2 0 0 1 0 1 ζ121ζ12 ζ121+ζ12
24.6.2d2 R 2 2 0 0 1 0 1 ζ121+ζ12 ζ121ζ12

magma: CharacterTable(G);