Finite Group Databasebeta

#72243190

order4374
automorphism?
homologyAbelianization (H1) = C2×C33 · Schur multiplier (H2) = C3

Aliases

No aliases for this group.

Splittings

Fitting, Sylow#14552547 ⋊ C2

Subgroups

subgroupG/H
centerC32C32×AGL(1,ℤ/9)
commutator, cosocleC32×C9C2×C33
Frattini, socleC33C33×D3
Fitting#14552547C2
prime radicalC32×AGL(1,ℤ/9)C32
hypercenterC9⋊C9AGL(1,ℤ/9)
hypocenterC9C2×#6900
LCSG ▷ C32×C9 ▷ C9
UCSC1 ◁ C32 ◁ C9⋊C9

861 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 162

Polycyclic presentation:

2,3^7|b^3=f,c^3=f^2,d^3=e,g^3=h,c^b=cf^2,d^c=de,g^a=g^2h^2,g^b=gh,h^a=h^2

Conjugacy classes & character table

186 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,ℤ/9)×#6900, 3−1+2×#92265, #72243342, …
maximal normal subgroup ofAGL(1,ℤ/9)×#6900, 3−1+2×#92265, #72243342, …

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