Finite Group Databasebeta

#72319926

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

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×#106
commutatorC22×C8C23×C4
Frattini, cosocleC23×C8C24
prime radicalC23×#41D4
LCSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C23×#41 ◁ C23×#131 ◁ G
LECSG ▷ C23×C8 ▷ C4 ▷ C2 ▷ C1

4349 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 128

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

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

Polycyclic presentation:

2^10|a^2=e,b^2=eij,h^2=i,i^2=j,b^a=bh,d^a=dg,d^b=df,d^c=dj,e^b=ej,h^a=hi,h^b=hi,i^a=ij,i^b=ij

Conjugacy classes & character table

136 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72319943, #72320115, #72320500
maximal normal subgroup of#72319943, #72320115, #72320500

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