Finite Group Databasebeta

#72314243

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 radical#7623305C2
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C24×C4 ◁ #20385 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

2957 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)(3,5)(4,6)(7,8)(9,10)(11,16)(12,17)(13,18)(14,15)(19,29)(20,32)(21,31)(22,26)(23,27)(24,33)(25,28)(30,36)(34,40)(35,39)(37,38);(1,3)(2,5)(4,7)(6,8);(3,7)(5,8)(11,19,22,24)(12,21)(13,25)(16,29,26,33)(17,31)(18,28)(20,34,36,35)(23,37)(27,38)(30,39,32,40);(2,6)(3,7)(10,15)(11,20,22,36)(12,23)(16,30,26,32)(18,28)(19,34,24,35)(21,37)(29,39,33,40);(9,11,21,34,25,36,12,24,14,22,37,35,13,20,23,19)(10,16,31,40,28,30,17,33,15,26,38,39,18,32,27,29)

Polycyclic presentation:

2^10|c^2=f,d^2=f,e^2=fhi,h^2=i,i^2=j,c^b=cg,d^a=dgj,d^b=dg,e^c=eh,e^d=ei,f^e=fj,h^c=hi,h^d=hj,h^e=hj,i^c=ij

Conjugacy classes & character table

112 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72314270, #72314329, #72314497
maximal normal subgroup of#72314270, #72314329, #72314497

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