Finite Group Databasebeta

#72341159

order1024
nilpotency class4
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C28

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#20585
commutatorC25C23×C4
Frattini, cosocleC23×D4C24
prime radical#8926668C2
LCSG ▷ C25 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C24 ◁ #35346 ◁ G
LECSG ▷ C23×D4 ▷ C23 ▷ C2 ▷ C1

4225 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 40 points:

(1,2)(3,6)(4,5)(7,8)(9,10)(11,16)(12,17)(13,18)(14,27)(15,19)(20,34)(21,30)(22,29)(23,38)(24,31)(25,32)(26,33)(28,35)(36,40)(37,39);(6,8)(9,11,13,22)(10,16,18,29)(12,20,25,36)(14,23,15,21)(17,28,32,39)(19,30,27,38)(24,35,26,37)(31,34,33,40);(2,5)(3,7)(9,12)(10,17)(11,20)(13,26)(14,25)(15,24)(16,28)(18,33)(19,31)(21,35)(22,37)(23,36)(27,32)(29,40)(30,34)(38,39);(1,3)(2,6)(4,7)(5,8)(11,21)(12,24)(13,14)(17,31)(18,27)(20,35)(22,23)(36,37)

Polycyclic presentation:

2^10|b^2=f,g^2=j,b^a=be,c^a=cij,c^b=chi,d^a=dhij,d^b=dfgj,d^c=di,e^c=ej,e^d=eh,f^c=fj,f^d=fhi,g^a=ghj,g^b=ghi,g^d=ghi,g^f=gj,i^b=ij

Conjugacy classes & character table

70 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72341171
maximal normal subgroup of#72341171

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