Finite Group Databasebeta

#72314113

order1024
nilpotency class4
automorphism?
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C28

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C22×#442
commutatorC2×C8C24×C4
Frattini, cosocleC22×C8C25
prime radicalC2×#33520C2
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C24×C4 ◁ C2×#1752 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

4299 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 5 generators on 40 points:

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

Polycyclic presentation:

2^10|a^2=f,c^2=fi,d^2=hj,e^2=fgi,h^2=i,i^2=j,b^a=bg,c^a=ch,d^a=dghj,d^b=dg,d^c=dgh,e^a=egij,e^c=egj,e^d=egi,f^c=fj,f^d=fj,h^a=hi,h^c=hi,h^e=hj,i^a=ij,i^c=ij

Conjugacy classes & character table

106 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72314160, #72314202, #72314441
maximal normal subgroup of#72314160, #72314202, #72314441

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