Finite Group Databasebeta

#72218604

order2688
automorphism?
homologyAbelianization (H1) = C23×C3×C4 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Splittings

FittingC7×#379 ⋊ C2×C3
Hall#11731263 ⋊ C3
HallΓL(1,𝔽8) ⋊ C4×#120
SylowC7 ⋊ C3×C4×#120

Subgroups

subgroupG/H
center, FrattiniC23C23×AGL(1,𝔽7)
commutatorC22×C7C23×C3×C4
FittingC7×#379C2×C3
socle, cosocleC23×C7C24×C3
prime radicalC2×#10620789C2
hypercenter#379AGL(1,𝔽7)
hypocenterC7C3×C4×#120
LCSG ▷ C22×C7 ▷ C7
UCSC1 ◁ C23 ◁ #379

2448 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2^4,3,2^3,7|c^2=g,d^2=f,c^a=cg,c^b=cgh,i^c=i^6,i^d=i^6,i^e=i^2

Conjugacy classes & character table

196 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72218606, C4×#120×AGL(1,𝔽7)
maximal normal subgroup ofC4×#120×AGL(1,𝔽7)
maximal quotient of#72218606

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