Finite Group Databasebeta

#72226423

order6400
automorphism?
homologyAbelianization (H1) = C43 · Schur multiplier (H2) = C22×C42

Aliases

No aliases for this group.

Splittings

SylowC52 ⋊ C4×#339

Subgroups

subgroupG/H
centerC2×C4#11717363
commutatorC4×C52C43
FrattiniC22×C4C2×D5⋊AGL(1,𝔽5)
FittingC2×C42×C52C2×C4
socleC22×C52C4×C22⋊C4
prime radicalC23×C5⋊D5C2×D4
cosocleC22×C4×C5⋊D5C23
hypercenterC2×C42D5⋊AGL(1,𝔽5)
hypocenterC52C4×#339
LCSG ▷ C4×C52 ▷ C2×C52 ▷ C52
UCSC1 ◁ C2×C4 ◁ C22×C4 ◁ C2×C42

3700 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 80

A minimal faithful permutation representation — 3 generators on 22 points:

(14,15,16,17)(18,19,20,21);(6,9,10,12)(13,14,17,15,16);(1,2,3,4)(5,6,7,9,8,10,11,12)(19,20)(21,22)

Polycyclic presentation:

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

Conjugacy classes & character table

232 conjugacy classes — view the full character table.

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