Finite Group Databasebeta

#72219970

order7776
automorphism?
homologyAbelianization (H1) = C2×C3×C4 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Splittings

Sylow#6900 ⋊ #104

Subgroups

subgroupG/H
centerC4#14516828
commutatorC4×C92C2×C3×C4
FrattiniC2×C32×C4C3×D32
FittingC2×C4×#6900C22
socleC2×C32C3×(C2×D3)⋊Dic3
prime radicalC3×#3697⋊C3D3
cosocleC2×C4×C92C22×C3
hypercenterC2×C4#92265⋊C2
hypocenterC92C3×#104
LCSG ▷ C4×C92 ▷ C2×C92 ▷ C92
UCSC1 ◁ C4 ◁ C2×C4

720 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2^2,3,2^3,3^4|b^2=d,e^2=f,g^3=i,h^3=j,b^a=be,d^a=df,e^a=ef,g^a=g^2i^2,g^b=g^2i^2,g^c=gi^2,h^a=g^2h,h^b=h^2j^2,h^c=hj^2,i^a=i^2,i^b=i^2,j^a=i^2j,j^b=j^2

Conjugacy classes & character table

186 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72220005, #72220036, #72220045
maximal normal subgroup of#72220005, #72220036, #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, 3, 2, 2, 2, 3, 3, 3, 3]);;
gap> SetPower(coll, 2, F.4);;
gap> SetPower(coll, 5, F.6);;
gap> SetPower(coll, 7, F.9);;
gap> SetPower(coll, 8, F.10);;
gap> SetConjugate(coll, 2, 1, F.2*F.5);;
gap> SetConjugate(coll, 4, 1, F.4*F.6);;
gap> SetConjugate(coll, 5, 1, F.5*F.6);;
gap> SetConjugate(coll, 7, 1, F.7^2*F.9^2);;
gap> SetConjugate(coll, 7, 2, F.7^2*F.9^2);;
gap> SetConjugate(coll, 7, 3, F.7*F.9^2);;
gap> SetConjugate(coll, 8, 1, F.7^2*F.8);;
gap> SetConjugate(coll, 8, 2, F.8^2*F.10^2);;
gap> SetConjugate(coll, 8, 3, F.8*F.10^2);;
gap> SetConjugate(coll, 9, 1, F.9^2);;
gap> SetConjugate(coll, 9, 2, F.9^2);;
gap> SetConjugate(coll, 10, 1, F.9^2*F.10);;
gap> SetConjugate(coll, 10, 2, F.10^2);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);