Properties

Label 6T12
6T12 1 2 1->2 4 1->4 3 2->3 3->4 6 4->6 5 5->6 6->1
Degree $6$
Order $60$
Cyclic no
Abelian no
Solvable no
Primitive yes
$p$-group no
Group: $\PSL(2,5)$

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Show commands: Magma

Copy content magma:G := TransitiveGroup(6, 12);
 

Group invariants

Abstract group:  $\PSL(2,5)$
Copy content magma:IdentifyGroup(G);
 
Order:  $60=2^{2} \cdot 3 \cdot 5$
Copy content magma:Order(G);
 
Cyclic:  no
Copy content magma:IsCyclic(G);
 
Abelian:  no
Copy content magma:IsAbelian(G);
 
Solvable:  no
Copy content magma:IsSolvable(G);
 
Nilpotency class:   not nilpotent
Copy content magma:NilpotencyClass(G);
 

Group action invariants

Degree $n$:  $6$
Copy content magma:t, n := TransitiveGroupIdentification(G); n;
 
Transitive number $t$:  $12$
Copy content magma:t, n := TransitiveGroupIdentification(G); t;
 
CHM label:   $L(6) = PSL(2,5) = A_{5}(6)$
Parity:  $1$
Copy content magma:IsEven(G);
 
Primitive:  yes
Copy content magma:IsPrimitive(G);
 
$\card{\Aut(F/K)}$:  $1$
Copy content magma:Order(Centralizer(SymmetricGroup(n), G));
 
Generators:  $(1,4)(5,6)$, $(1,2,3,4,6)$
Copy content magma:Generators(G);
 

Low degree resolvents

none

Resolvents shown for degrees $\leq 47$

Subfields

Degree 2: None

Degree 3: None

Low degree siblings

5T4, 10T7, 12T33, 15T5, 20T15, 30T9

Siblings are shown with degree $\leq 47$

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

Conjugacy classes

LabelCycle TypeSizeOrderIndexRepresentative
1A $1^{6}$ $1$ $1$ $0$ $()$
2A $2^{2},1^{2}$ $15$ $2$ $2$ $(1,2)(3,6)$
3A $3^{2}$ $20$ $3$ $4$ $(1,4,2)(3,6,5)$
5A1 $5,1$ $12$ $5$ $4$ $(1,4,5,2,6)$
5A2 $5,1$ $12$ $5$ $4$ $(1,5,6,4,2)$

Malle's constant $a(G)$:     $1/2$

Copy content magma:ConjugacyClasses(G);
 

Character table

1A 2A 3A 5A1 5A2
Size 1 15 20 12 12
2 P 1A 1A 3A 5A2 5A1
3 P 1A 2A 1A 5A2 5A1
5 P 1A 2A 3A 1A 1A
Type
60.5.1a R 1 1 1 1 1
60.5.3a1 R 3 1 0 ζ51ζ5 ζ52ζ52
60.5.3a2 R 3 1 0 ζ52ζ52 ζ51ζ5
60.5.4a R 4 0 1 1 1
60.5.5a R 5 1 1 0 0

Copy content magma:CharacterTable(G);
 

Regular extensions

$f_{ 1 } =$ $x^{6} + 2 x^{4} + t x^{3} + 5 x^{2} + 6 x + 1$ Copy content Toggle raw display