Finite Group Databasebeta

#72229920

order2646
automorphism?
homologyAbelianization (H1) = C2×C3 · Schur multiplier (H2) = C1

Aliases

No aliases for this group.

Splittings

Fitting, derivedC72×C9 ⋊ C2×C3
Hall#13050515 ⋊ C2
SylowC72 ⋊ AGL(1,ℤ/9)

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC72×C9C2×C3
FrattiniC3C3⋊#64423
socleC3×C72C3×D3
LCSG ▷ C72×C9
UCSC1

76 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 126

Polycyclic presentation:

2,3^2,7^2,3|c^3=f,c^a=c^2f^2,c^b=cf,d^a=d^6,d^b=d^4,e^a=d^2e,e^b=e^4,f^a=f^2

Conjugacy classes & character table

85 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72229923, #72229968, #72229991, …
maximal normal subgroup of#72229923, #72229968, #72229991, …

GAP

Past the SmallGroups library coverage — no SmallGroups id. Construct it from its polycyclic presentation:

gap> F := FreeGroup(IsSyllableWordsFamily, "a", "b", "c", "d", "e", "f");;
gap> coll := SingleCollector(F, [2, 3, 3, 7, 7, 3]);;
gap> SetPower(coll, 3, F.6);;
gap> SetConjugate(coll, 3, 1, F.3^2*F.6^2);;
gap> SetConjugate(coll, 3, 2, F.3*F.6);;
gap> SetConjugate(coll, 4, 1, F.4^6);;
gap> SetConjugate(coll, 4, 2, F.4^4);;
gap> SetConjugate(coll, 5, 1, F.4^2*F.5);;
gap> SetConjugate(coll, 5, 2, F.5^4);;
gap> SetConjugate(coll, 6, 1, F.6^2);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);