#72220960

order	3200
automorphism	?
homology	Abelianization (H₁) = C₂²×C₄² · Schur multiplier (H₂) = C₂⁴×C₄

Aliases

No aliases for this group.

Splittings

Sylow

C₅² ⋊ #2873

Subgroups

	subgroup	G/H
center, Frattini	C₄	C₂²×D₅⋊AGL(1,𝔽₅)
commutator, socle	C₂×C₅²	C₂²×C₄²
Fitting	C₂²×C₄×C₅²	C₂×C₄
prime radical	C₂³×C₅⋊D₅	C₂×C₄
cosocle	C₄×C₅⋊D₅	C₂⁴
hypercenter	C₂²×C₄	D₅⋊AGL(1,𝔽₅)
hypocenter	C₅²	#2873
LCS	G ▷ C₂×C₅² ▷ C₅²
UCS	C₁ ◁ C₄ ◁ C₂²×C₄

1426 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2^7,5^2|a^2=e,b^2=efg,e^2=g,f^2=g,c^a=cg,d^a=dg,d^b=dg,h^a=h^3,h^b=h^2,h^e=h^4,i^a=i^3,i^b=h^4i^3,i^e=i^4

Conjugacy classes & character table

140 conjugacy classes — view the full character table.

Relationships

maximal subgroup of	#72221166, #72223026, #72223033, …
maximal normal subgroup of	#72221166, #72223026, #72223033, …

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