Finite Group Databasebeta

#72218554

order4480
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Splittings

FittingC5×C7×M16 ⋊ C2×C4
HallC5×C7 ⋊ C4×AGL(1,ℤ/8)
SylowC7 ⋊ AGL(1,𝔽5)×AGL(1,ℤ/8)
SylowC5 ⋊ #11736644

Subgroups

subgroupG/H
centerC2C2×#11765324
commutatorC4×C5×C7C23×C4
FrattiniC4C22×D7×AGL(1,𝔽5)
FittingC5×C7×M16C2×C4
socleC2×C5×C7C2×C4×D4
prime radicalD5×#6471C2
cosocleC4×C7×D5C24
hypercenterM16D7×AGL(1,𝔽5)
hypocenterC5×C7C4×AGL(1,ℤ/8)
LCSG ▷ C4×C5×C7 ▷ C2×C5×C7 ▷ C5×C7
UCSC1 ◁ C2 ◁ C2×C4 ◁ M16

1096 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2^7,5,7|a^2=f,d^2=e,f^2=g,b^a=bf,c^a=cg,f^b=fg,h^d=h^3,h^e=h^4,i^b=i^6,i^d=i^6

Conjugacy classes & character table

151 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72218556, D7×AGL(1,𝔽5)×AGL(1,ℤ/8)
maximal normal subgroup of#72218556, D7×AGL(1,𝔽5)×AGL(1,ℤ/8)

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