Finite Group Databasebeta

#72220681

order6400
automorphism?
homologyAbelianization (H1) = C43 · Schur multiplier (H2) = C42

Aliases

No aliases for this group.

Splittings

SylowC52 ⋊ C4×#347

Subgroups

subgroupG/H
centerC4C4×AGL(1,𝔽5)2
commutatorC4×C52C43
FrattiniC2×C4C2×AGL(1,𝔽5)2
FittingC42×C52C42
socleC2×C52C4×#97
prime radicalC22×C5⋊D5C2×M16
cosocleC2×#87767C23
hypercenterC42AGL(1,𝔽5)2
hypocenterC52C4×#347
LCSG ▷ C4×C52 ▷ C52
UCSC1 ◁ C4 ◁ C42

965 conjugacy classes of subgroups; only the 208 normal subgroups are shown.

normal subgroups only

This group has 965 conjugacy classes of subgroups — too many to draw. Only its 208 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

Polycyclic presentation:

2^8,5^2|a^2=d,b^2=e,c^2=f,d^2=g,g^2=h,b^a=bgh,d^b=dh,e^a=eh,i^a=i^2,i^c=i^3,i^d=i^4,i^f=i^4,j^a=ij,j^c=j^3,j^d=i^3j,j^f=j^4

Conjugacy classes & character table

148 conjugacy classes — view the full character table.

Relationships

maximal quotient of#72242336
holomorph of#674

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", "j");;
gap> coll := SingleCollector(F, [2, 2, 2, 2, 2, 2, 2, 2, 5, 5]);;
gap> SetPower(coll, 1, F.4);;
gap> SetPower(coll, 2, F.5);;
gap> SetPower(coll, 3, F.6);;
gap> SetPower(coll, 4, F.7);;
gap> SetPower(coll, 7, F.8);;
gap> SetConjugate(coll, 2, 1, F.2*F.7*F.8);;
gap> SetConjugate(coll, 4, 2, F.4*F.8);;
gap> SetConjugate(coll, 5, 1, F.5*F.8);;
gap> SetConjugate(coll, 9, 1, F.9^2);;
gap> SetConjugate(coll, 9, 3, F.9^3);;
gap> SetConjugate(coll, 9, 4, F.9^4);;
gap> SetConjugate(coll, 9, 6, F.9^4);;
gap> SetConjugate(coll, 10, 1, F.9*F.10);;
gap> SetConjugate(coll, 10, 3, F.10^3);;
gap> SetConjugate(coll, 10, 4, F.9^3*F.10);;
gap> SetConjugate(coll, 10, 6, F.10^4);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);