Finite Group Databasebeta

#72308704

order1024
nilpotency class4
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#10788
commutatorC22×C8C2×C42
Frattini, cosocleC22×C4×C8C23
prime radicalC23×D8C2×C4
LCSG ▷ C22×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C42 ◁ C2×#1770 ◁ G
LECSG ▷ C22×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

1853 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:

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

Polycyclic presentation:

2^10|a^2=e,b^2=e,c^2=d,d^2=hi,f^2=ij,g^2=i,i^2=j,c^a=cf,c^b=cefgi,d^a=di,d^b=dh,e^c=ej,f^a=fij,f^b=fj,f^c=fj,g^a=gi,g^b=gj,g^c=ghj,i^a=ij

Conjugacy classes & character table

94 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72308734, #72308767
maximal normal subgroup of#72308734, #72308767

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