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Properties

Label 6T5
6T5 1 4 1->4 2 2->4 5 2->5 3 6 3->6 4->6 6->2
Degree $6$
Order $18$
Cyclic no
Abelian no
Solvable yes
Transitivity $1$
Primitive no
$p$-group no
Group: $S_3\times C_3$

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Show commands: Gap / Magma / Oscar / SageMath

Copy content comment:Define the Galois group
 
Copy content magma:G := TransitiveGroup(6, 5);
 
Copy content sage:G = TransitiveGroup(6, 5)
 
Copy content oscar:G = transitive_group(6, 5)
 
Copy content gap:G := TransitiveGroup(6, 5);
 

Group invariants

Abstract group:  $S_3\times C_3$
Copy content comment:Abstract group ID
 
Copy content magma:IdentifyGroup(G);
 
Copy content sage:G.id()
 
Copy content oscar:small_group_identification(G)
 
Copy content gap:IdGroup(G);
 
Order:  $18=2 \cdot 3^{2}$
Copy content comment:Order
 
Copy content magma:Order(G);
 
Copy content sage:G.order()
 
Copy content oscar:order(G)
 
Copy content gap:Order(G);
 
Cyclic:  no
Copy content comment:Determine if group is cyclic
 
Copy content magma:IsCyclic(G);
 
Copy content sage:G.is_cyclic()
 
Copy content oscar:is_cyclic(G)
 
Copy content gap:IsCyclic(G);
 
Abelian:  no
Copy content comment:Determine if group is abelian
 
Copy content magma:IsAbelian(G);
 
Copy content sage:G.is_abelian()
 
Copy content oscar:is_abelian(G)
 
Copy content gap:IsAbelian(G);
 
Solvable:  yes
Copy content comment:Determine if group is solvable
 
Copy content magma:IsSolvable(G);
 
Copy content sage:G.is_solvable()
 
Copy content oscar:is_solvable(G)
 
Copy content gap:IsSolvable(G);
 
Nilpotency class:   not nilpotent
Copy content comment:Nilpotency class
 
Copy content magma:NilpotencyClass(G);
 
Copy content sage:libgap(G).NilpotencyClassOfGroup() if G.is_nilpotent() else -1
 
Copy content oscar:if is_nilpotent(G) nilpotency_class(G) end
 
Copy content gap:if IsNilpotentGroup(G) then NilpotencyClassOfGroup(G); fi;
 

Group action invariants

Degree $n$:  $6$
Copy content comment:Degree
 
Copy content magma:t, n := TransitiveGroupIdentification(G); n;
 
Copy content sage:G.degree()
 
Copy content oscar:degree(G)
 
Copy content gap:NrMovedPoints(G);
 
Transitive number $t$:  $5$
Copy content comment:Transitive number
 
Copy content magma:t, n := TransitiveGroupIdentification(G); t;
 
Copy content sage:G.transitive_number()
 
Copy content oscar:transitive_group_identification(G)[2]
 
Copy content gap:TransitiveIdentification(G);
 
CHM label:   $F_{18}(6) = [3^{2}]2 = 3 wr 2$
Parity:  $-1$
Copy content comment:Parity
 
Copy content magma:IsEven(G);
 
Copy content sage:all(g.SignPerm() == 1 for g in libgap(G).GeneratorsOfGroup())
 
Copy content oscar:is_even(G)
 
Copy content gap:ForAll(GeneratorsOfGroup(G), g -> SignPerm(g) = 1);
 
Transitivity:  1
Primitive:  no
Copy content comment:Determine if group is primitive
 
Copy content magma:IsPrimitive(G);
 
Copy content sage:G.is_primitive()
 
Copy content oscar:is_primitive(G)
 
Copy content gap:IsPrimitive(G);
 
$\card{\Aut(F/K)}$:  $3$
Copy content comment:Order of the centralizer of G in S_n
 
Copy content magma:Order(Centralizer(SymmetricGroup(n), G));
 
Copy content sage:SymmetricGroup(6).centralizer(G).order()
 
Copy content oscar:order(centralizer(symmetric_group(6), G)[1])
 
Copy content gap:Order(Centralizer(SymmetricGroup(6), G));
 
Generators:  $(1,4)(2,5)(3,6)$, $(2,4,6)$
Copy content comment:Generators
 
Copy content magma:Generators(G);
 
Copy content sage:G.gens()
 
Copy content oscar:gens(G)
 
Copy content gap:GeneratorsOfGroup(G);
 

Low degree resolvents

$\card{(G/N)}$Galois groups for stem field(s)
$2$:  $C_2$
$3$:  $C_3$
$6$:  $S_3$, $C_6$

Resolvents shown for degrees $\leq 47$

Subfields

Degree 2: $C_2$

Degree 3: None

Low degree siblings

9T4, 18T3

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 $2^{3}$ $3$ $2$ $3$ $(1,4)(2,5)(3,6)$
3A1 $3^{2}$ $1$ $3$ $4$ $(1,5,3)(2,6,4)$
3A-1 $3^{2}$ $1$ $3$ $4$ $(1,3,5)(2,4,6)$
3B $3^{2}$ $2$ $3$ $4$ $(1,3,5)(2,6,4)$
3C1 $3,1^{3}$ $2$ $3$ $2$ $(2,4,6)$
3C-1 $3,1^{3}$ $2$ $3$ $2$ $(1,5,3)$
6A1 $6$ $3$ $6$ $5$ $(1,6,5,4,3,2)$
6A-1 $6$ $3$ $6$ $5$ $(1,2,3,4,5,6)$

Malle's constant $a(G)$:     $1/2$

Copy content comment:Conjugacy classes
 
Copy content magma:ConjugacyClasses(G);
 
Copy content sage:G.conjugacy_classes()
 
Copy content oscar:conjugacy_classes(G)
 
Copy content gap:ConjugacyClasses(G);
 

Character table

1A 2A 3A1 3A-1 3B 3C1 3C-1 6A1 6A-1
Size 1 3 1 1 2 2 2 3 3
2 P 1A 1A 3A-1 3A1 3B 3C-1 3C1 3A1 3A-1
3 P 1A 2A 1A 1A 1A 1A 1A 2A 2A
Type
18.3.1a R 1 1 1 1 1 1 1 1 1
18.3.1b R 1 −1 1 1 1 1 1 −1 −1
18.3.1c1 C 1 1 ζ3−1 ζ3 1 ζ3−1 ζ3 ζ3 ζ3−1
18.3.1c2 C 1 1 ζ3 ζ3−1 1 ζ3 ζ3−1 ζ3−1 ζ3
18.3.1d1 C 1 −1 ζ3−1 ζ3 1 ζ3−1 ζ3 −ζ3 −ζ3−1
18.3.1d2 C 1 −1 ζ3 ζ3−1 1 ζ3 ζ3−1 −ζ3−1 −ζ3
18.3.2a R 2 0 2 2 −1 −1 −1 0 0
18.3.2b1 C 2 0 2ζ3−1 2ζ3 −1 −ζ3−1 −ζ3 0 0
18.3.2b2 C 2 0 2ζ3 2ζ3−1 −1 −ζ3 −ζ3−1 0 0

Copy content comment:Character table
 
Copy content magma:CharacterTable(G);
 
Copy content sage:G.character_table()
 
Copy content oscar:character_table(G)
 
Copy content gap:CharacterTable(G);
 

Regular extensions

$f_{ 1 } =$ $x^{6} + t x^{5} - 10 t x^{3} + 45 x^{2} + 9 t x + 18$ Copy content Toggle raw display