Finite Group Databasebeta

#72307992

order1024
nilpotency class4
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#8375
commutatorC22×C8C22×C8
Frattini, cosocleC2×#405C23
prime radicalC22×#576C4
LCSG ▷ C22×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×#405 ◁ G
LECSG ▷ C2×#405 ▷ C22×C4 ▷ C2 ▷ C1

2699 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 3 generators on 40 points:

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

Polycyclic presentation:

2^10|a^2=ghj,b^2=ghj,c^2=d,d^2=h,e^2=ij,f^2=i,g^2=j,h^2=j,i^2=j,c^a=ce,c^b=cefij,d^a=dg,d^b=dgij,e^a=eij,e^b=ej,e^c=egi,e^d=ej,f^a=fi,f^b=fj,g^a=gj,g^c=gj,h^a=hj,i^a=ij

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72307999
maximal normal subgroup of#72307999

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