Finite Group Databasebeta

#72340603

order1024
nilpotency class4
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#1790
commutatorC2×C4⋊C4C23×C4
Frattini, cosocleC2×#117C24
prime radical#7710883C2
LCSG ▷ C2×C4⋊C4 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ C22×#117 ◁ G
LECSG ▷ C2×#117 ▷ C23 ▷ C2 ▷ C1

4047 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:

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

Polycyclic presentation:

2^10|a^2=f,c^2=j,d^2=hij,e^2=h,g^2=j,c^a=ce,c^b=cj,d^a=dg,d^c=dh,e^a=ei,e^c=eh,e^d=eij,f^c=fhi,f^e=fj,g^a=gj,g^c=gi,g^e=gj,i^a=ij

Conjugacy classes & character table

100 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72340605, #72340615, #72340734
maximal normal subgroup of#72340605, #72340615, #72340734

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