#72246761

order	4032
automorphism	?
homology	Abelianization (H₁) = C₂⁵ · Schur multiplier (H₂) = C₂⁹

Aliases

No aliases for this group.

Splittings

Fitting	C₃²×C₇×D₄ ⋊ C₂³
Hall	C₃²×C₇ ⋊ C₂×H(5,𝔽₂)
Sylow	C₃² ⋊ D₇×H(5,𝔽₂)
Sylow	C₇ ⋊ #10596675

Subgroups

	subgroup	G/H
center, Frattini	C₂	C₂²×D₃²×D₇
commutator, socle, cosocle	C₂×C₃²×C₇	C₂⁵
Fitting	C₃²×C₇×D₄	C₂³
hypercenter	D₄	D₃²×D₇
hypocenter	C₃²×C₇	C₂×H(5,𝔽₂)
LCS	G ▷ C₂×C₃²×C₇ ▷ C₃²×C₇
UCS	C₁ ◁ C₂ ◁ D₄

3828 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degree

μ_t(G) = 168

Polycyclic presentation:

2^6,3^2,7|a^2=f,e^2=f,b^a=bf,c^a=cf,d^a=df,e^a=ef,e^b=ef,g^a=g^2,g^d=g^2,h^a=g^2h,h^d=h^2,i^c=i^6

Conjugacy classes & character table

204 conjugacy classes — view the full character table.

Relationships

maximal subgroup of	D₇×#10596675
maximal normal subgroup of	D₇×#10596675

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