Finite Group Databasebeta

#72309741

order1024
nilpotency class4
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#23001
commutatorC4×C8C23×C4
Frattini, cosocleC2×C4×C8C24
prime radical#3147C23
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ #8282 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

850 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 256

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

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

Polycyclic presentation:

2^10|a^2=e,b^2=fj,c^2=e,d^2=egi,f^2=h,g^2=i,i^2=j,b^a=bf,c^a=cf,c^b=cf,d^a=dg,d^b=dj,d^c=di,e^d=ej,f^a=fh,f^c=fh,g^a=gi,g^c=gj,g^d=gj,i^a=ij

Conjugacy classes & character table

82 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72309744, #72310021
maximal normal subgroup of#72309744, #72310021

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