Finite Group Databasebeta

#72309504

order1024
nilpotency class4
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#22858
commutatorC4×C8C23×C4
Frattini, cosocleC2×C4×C8C24
prime radical#33580C22
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ #8203 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

1023 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:

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

Polycyclic presentation:

2^10|a^2=e,b^2=e,c^2=h,d^2=egi,f^2=h,g^2=i,i^2=j,c^a=cf,c^b=cfj,d^a=dg,d^b=dij,d^c=dh,e^d=ej,f^a=fh,f^b=fh,f^c=fh,g^a=gi,g^b=gj,g^d=gj,i^a=ij

Conjugacy classes & character table

79 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72309511, #72309925, #72309983, …
maximal normal subgroup of#72309511, #72309925, #72309983, …

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