Properties

Label 22T38
Degree $22$
Order $443520$
Cyclic no
Abelian no
Solvable no
Primitive yes
$p$-group no
Group: $M_{22}$

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Show commands: Magma

magma: G := TransitiveGroup(22, 38);
 

Group invariants

Abstract group:  $M_{22}$
magma: IdentifyGroup(G);
 
Order:  $443520=2^{7} \cdot 3^{2} \cdot 5 \cdot 7 \cdot 11$
magma: Order(G);
 
Cyclic:  no
magma: IsCyclic(G);
 
Abelian:  no
magma: IsAbelian(G);
 
Solvable:  no
magma: IsSolvable(G);
 
Nilpotency class:   not nilpotent
magma: NilpotencyClass(G);
 

Group action invariants

Degree $n$:  $22$
magma: t, n := TransitiveGroupIdentification(G); n;
 
Transitive number $t$:  $38$
magma: t, n := TransitiveGroupIdentification(G); t;
 
Parity:  $1$
magma: IsEven(G);
 
Primitive:  yes
magma: IsPrimitive(G);
 
$\card{\Aut(F/K)}$:  $1$
magma: Order(Centralizer(SymmetricGroup(n), G));
 
Generators:  $(1,17,9,5,10,22,8)(3,20,15,12,19,11,14)(4,21,16,13,7,18,6)$, $(1,5,10)(2,17,12)(3,8,4)(6,16,19)(9,18,21)(14,20,22)$
magma: Generators(G);
 

Low degree resolvents

none

Resolvents shown for degrees $\leq 47$

Subfields

Degree 2: None

Degree 11: None

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

LabelCycle TypeSizeOrderIndexRepresentative
1A $1^{22}$ $1$ $1$ $0$ $()$
2A $2^{8},1^{6}$ $1155$ $2$ $8$ $( 2,10)( 3,13)( 4, 5)( 8,20)(11,18)(12,22)(14,15)(16,21)$
3A $3^{6},1^{4}$ $12320$ $3$ $12$ $( 1, 9,19)( 3,22,16)( 4, 5,10)( 8,14,13)(11,12,15)(18,20,21)$
4A $4^{4},2^{2},1^{2}$ $13860$ $4$ $14$ $( 1, 6)( 2,22,10,12)( 3,21,13,16)( 4,11, 5,18)( 8,15,20,14)( 9,17)$
4B $4^{4},2^{2},1^{2}$ $27720$ $4$ $14$ $( 1,17)( 2,18,10,11)( 3,14,13,15)( 4,22, 5,12)( 6, 9)( 8,21,20,16)$
5A $5^{4},1^{2}$ $88704$ $5$ $16$ $( 1,19,18,22, 5)( 2,16, 4, 6, 9)( 3,20,17,12,13)( 7,14,11,10, 8)$
6A $6^{2},3^{2},2^{2}$ $36960$ $6$ $16$ $( 1,11, 9,12,19,15)( 2, 6)( 3,16,22)( 4,10, 5)( 7,17)( 8,20,14,21,13,18)$
7A1 $7^{3},1$ $63360$ $7$ $18$ $( 1, 3, 6,10, 2,13, 7)( 4,16,15,12,17, 8, 5)( 9,14,11,18,21,20,22)$
7A-1 $7^{3},1$ $63360$ $7$ $18$ $( 1,10, 7, 6,13, 3, 2)( 4,12, 5,15, 8,16,17)( 9,18,22,11,20,14,21)$
8A $8^{2},4,2$ $55440$ $8$ $18$ $( 1, 9, 6,17)( 2,20,22,14,10, 8,12,15)( 3, 4,21,11,13, 5,16,18)( 7,19)$
11A1 $11^{2}$ $40320$ $11$ $20$ $( 1, 6,20,19, 2, 3, 8,14,13, 5,16)( 4,22,15,11,12,10, 7,18, 9,17,21)$
11A-1 $11^{2}$ $40320$ $11$ $20$ $( 1,20, 2, 8,13,16, 6,19, 3,14, 5)( 4,15,12, 7, 9,21,22,11,10,18,17)$

Malle's constant $a(G)$:     $1/8$

magma: ConjugacyClasses(G);
 

Character table

1A 2A 3A 4A 4B 5A 6A 7A1 7A-1 8A 11A1 11A-1
Size 1 1155 12320 13860 27720 88704 36960 63360 63360 55440 40320 40320
2 P 1A 1A 3A 2A 2A 5A 3A 7A1 7A-1 4A 11A-1 11A1
3 P 1A 2A 1A 4A 4B 5A 2A 7A-1 7A1 8A 11A1 11A-1
5 P 1A 2A 3A 4A 4B 1A 6A 7A-1 7A1 8A 11A1 11A-1
7 P 1A 2A 3A 4A 4B 5A 6A 1A 1A 8A 11A-1 11A1
11 P 1A 2A 3A 4A 4B 5A 6A 7A1 7A-1 8A 1A 1A
Type

magma: CharacterTable(G);
 

Regular extensions

$f_{ 1 } =$ $\left(5 x^{4}+34 x^{3}-119 x^{2}+212 x-164\right)^{4} \left(19 x^{3}-12 x^{2}+28 x+32\right)^{2}-2^{22} \left(x^{2}-x+3\right)^{11}/\left(11 t^{2}+1\right)$ Copy content Toggle raw display