Finite Group Databasebeta

#72219911

order7776
automorphism?
homologyAbelianization (H1) = C23×C32 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

FittingC2×D4×#6900 ⋊ C2
Sylow#6900 ⋊ AGL(1,ℤ/8)

Subgroups

subgroupG/H
centerC2×C3C2×C3×#611⋊C3
commutator, cosocleC3×C4×C9C23×C32
FrattiniC32×C4C22×C32×D3
FittingC2×D4×#6900C2
socleC2×C32C2×C32×#67
prime radicalC3×#63495⋊C3C3
hypercenterC2×D4×C9AGL(1,ℤ/9)
hypocenterC93−1+2×AGL(1,ℤ/8)
LCSG ▷ C3×C4×C9 ▷ C2×C9 ▷ C9
UCSC1 ◁ C2×C3 ◁ C2×C4×C9 ◁ C2×D4×C9

1437 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2^3,3^2,2,3,2,3^2|a^2=f,e^3=g^2,f^2=h,i^3=j,b^a=bfh,c^a=ch,e^a=ej^2,e^d=eg,f^b=fh,i^a=i^2j^2,i^d=ij^2,j^a=j^2

Conjugacy classes & character table

321 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72219937, #72220022, #72220045
maximal normal subgroup of#72219937, #72220022, #72220045

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", "g", "h", "i", "j");;
gap> coll := SingleCollector(F, [2, 2, 2, 3, 3, 2, 3, 2, 3, 3]);;
gap> SetPower(coll, 1, F.6);;
gap> SetPower(coll, 5, F.7^2);;
gap> SetPower(coll, 6, F.8);;
gap> SetPower(coll, 9, F.10);;
gap> SetConjugate(coll, 2, 1, F.2*F.6*F.8);;
gap> SetConjugate(coll, 3, 1, F.3*F.8);;
gap> SetConjugate(coll, 5, 1, F.5*F.10^2);;
gap> SetConjugate(coll, 5, 4, F.5*F.7);;
gap> SetConjugate(coll, 6, 2, F.6*F.8);;
gap> SetConjugate(coll, 9, 1, F.9^2*F.10^2);;
gap> SetConjugate(coll, 9, 4, F.9*F.10^2);;
gap> SetConjugate(coll, 10, 1, F.10^2);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);