Finite Group Databasebeta

#72245379

order14112
automorphism?
homologyAbelianization (H1) = C23×C32 · Schur multiplier (H2) = C22×C3

Aliases

No aliases for this group.

Splittings

FittingC72×M16 ⋊ C2×C32
Hall#13096548 ⋊ C32
HallΓL(1,𝔽8)2 ⋊ AGL(1,ℤ/8)
SylowC72 ⋊ C32×AGL(1,ℤ/8)

Subgroups

subgroupG/H
centerC2C2×#72222014
commutator, cosocleC4×C72C23×C32
FrattiniC4C22×ΓL(1,𝔽8)⋊AGL(1,𝔽7)
FittingC72×M16C2×C32
socleC2×C72C2×C32×D4
hypercenterM16ΓL(1,𝔽8)⋊AGL(1,𝔽7)
hypocenterC72C32×AGL(1,ℤ/8)
LCSG ▷ C4×C72 ▷ C2×C72 ▷ C72
UCSC1 ◁ C2 ◁ C2×C4 ◁ M16

952 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 168

Polycyclic presentation:

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

Conjugacy classes & character table

179 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,ℤ/8)×ΓL(1,𝔽8)⋊AGL(1,𝔽7), #72246405, #72246407
maximal normal subgroup ofAGL(1,ℤ/8)×ΓL(1,𝔽8)⋊AGL(1,𝔽7), #72246405, #72246407

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