Finite Group Databasebeta

#72303064

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

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#20609
commutatorC22×D4C23×C4
Frattini, cosocleC23×D4C24
prime radicalC2×#3498C22
LCSG ▷ C22×D4 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C24 ◁ C22×H(5,𝔽2) ◁ G
LECSG ▷ C23×D4 ▷ C23 ▷ C2 ▷ C1

5361 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)(3,7)(4,6)(5,8)(9,10,15,20)(11,21,25,16)(12,17,28,35)(13,18,14,19)(22,30,24,32)(23,33,26,31)(27,34,29,36)(37,39,38,40);(5,7)(9,11,14,24,15,25,13,22)(10,16,19,32,20,21,18,30)(12,26,27,38,28,23,29,37)(17,33,34,40,35,31,36,39);(1,3,4,8)(2,5,6,7)(11,22,25,24)(16,30,21,32)(23,37,26,38)(31,39,33,40);(9,12)(10,17)(11,23)(13,27)(14,29)(15,28)(16,31)(18,34)(19,36)(20,35)(21,33)(22,37)(24,38)(25,26)(30,39)(32,40)

Polycyclic presentation:

2^10|a^2=j,b^2=g,c^2=h,e^2=j,g^2=j,b^a=bf,c^a=ch,c^b=ce,d^b=di,e^a=eh,e^b=ej,f^b=fi,f^c=fh,f^e=fj,g^a=gi,g^d=gj,g^f=gj,h^b=hj,i^b=ij

Conjugacy classes & character table

82 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72303072, #72303411, #72306318, …
maximal normal subgroup of#72303072, #72303411, #72306318, …

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