Finite Group Databasebeta

#72321809

order1024
nilpotency class3
automorphism?
homologyAbelianization (H1) = C22×C42 · Schur multiplier (H2) = C26×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC23×C4C22×D4
commutatorC22×C4C22×C42
Frattini, cosocleC22×C42C24
socleC24C2×C4×D4
prime radicalC25C4×D4
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C4 ◁ C23×C4×C8 ◁ G
LECSG ▷ C22×C42 ▷ C22 ▷ C1

3861 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 32
transitive degreeμt(G) = 512

A minimal faithful permutation representation — 4 generators on 32 points:

(2,4)(5,6)(7,8)(9,10,12,15,13,14,11,16);(2,4)(10,14)(15,16)(17,18,20,23,21,24,27,30)(19,22,26,29,25,28,31,32);(1,2,3,4)(6,8)(10,15)(11,12)(14,16)(17,19,21,25)(18,22,24,28)(20,26,27,31)(23,29,30,32);(19,25)(22,28)(26,31)(29,32)

Polycyclic presentation:

2^10|a^2=h,b^2=e,c^2=fgij,e^2=i,f^2=j,g^2=j,h^2=j,b^a=bj,c^a=cf,c^b=cfgj,d^c=di,f^c=fj,g^c=gj,h^c=hj

Conjugacy classes & character table

208 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72321851, #72321913, #72322181
maximal normal subgroup of#72321851, #72321913, #72322181

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