Finite Group Databasebeta

#72246291

order9408
automorphism?
homologyAbelianization (H1) = C23×C3 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Splittings

FittingC72×AGL(1,ℤ/8) ⋊ C2×C3
Hall#72246212 ⋊ C3
HallC7×ΓL(1,𝔽8) ⋊ #453
SylowC72 ⋊ C3×#453

Subgroups

subgroupG/H
centerC2#72246042
commutator, cosocleC2×C4×C72C23×C3
FrattiniC2×C4C22×ΓL(1,𝔽8)⋊D7
FittingC72×AGL(1,ℤ/8)C2×C3
socleC2×C72C3×#120
hypercenterAGL(1,ℤ/8)ΓL(1,𝔽8)⋊D7
hypocenterC72C3×#453
LCSG ▷ C2×C4×C72 ▷ C2×C72 ▷ C72
UCSC1 ◁ C2 ◁ C2×C4 ◁ AGL(1,ℤ/8)

840 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 168

Polycyclic presentation:

2^3,3,2^3,7^2|f^2=g,b^a=bf,c^a=cg,c^b=ce,e^a=eg,f^a=fg,f^b=fg,f^c=fg,h^c=h^6,h^d=i,i^c=i^6,i^d=h^5i^3

Conjugacy classes & character table

224 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#453×ΓL(1,𝔽8)⋊D7, #72246400
maximal normal subgroup of#453×ΓL(1,𝔽8)⋊D7, #72246400

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