Finite Group Databasebeta

#72292822

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

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#8456
commutator#117C22×C8
Frattini, cosocleC2×#405C23
prime radicalC2×#3537C4
LCSG ▷ #117 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×#405 ◁ G
LECSG ▷ C2×#405 ▷ C22×C4 ▷ C2 ▷ C1

2072 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:

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

Polycyclic presentation:

2^10|c^2=d,d^2=g,e^2=ij,g^2=j,h^2=j,c^a=cf,c^b=ce,d^a=dj,d^b=dh,e^a=ei,e^b=eij,e^c=ehij,e^d=ej,f^b=fij,f^c=fj,f^e=fj,g^b=gj,h^b=hj,h^c=hj,i^c=ij

Conjugacy classes & character table

82 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72292829
maximal normal subgroup of#72292829
maximal quotient of#72293225, #72293324

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