Finite Group Databasebeta

#72252904

order3456
automorphism?
homologyAbelianization (H1) = C2×C3×C42 · Schur multiplier (H2) = C8

Aliases

No aliases for this group.

Splittings

Fitting3−1+2×#322 ⋊ C2
Sylow3−1+2 ⋊ #1455

Subgroups

subgroupG/H
centerC42C22×AGL(1,ℤ/9)
commutatorC22×C9C2×C3×C42
FrattiniC3×C42C22×C3×D3
Fitting3−1+2×#322C2
socleC22×C3C3×C42×D3
prime radicalC22×AGL(1,ℤ/9)C42
cosocleC42×C9C23×C3
hypercenter#322AGL(1,ℤ/9)
hypocenterC9C3×#1455
LCSG ▷ C22×C9 ▷ C9
UCSC1 ◁ C42 ◁ #322

675 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 576

Polycyclic presentation:

2^3,3,2^4,3^2|a^2=e,b^2=g,c^2=f,e^2=g,f^2=h,i^3=j,b^a=bg,c^b=ch,i^a=i^2j^2,i^b=i^2j^2,i^d=ij,j^a=j^2,j^b=j^2

Conjugacy classes & character table

328 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,ℤ/9)×#1455, #72268944, #72268961
maximal normal subgroup ofAGL(1,ℤ/9)×#1455, #72268944, #72268961

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