Finite Group Databasebeta

#72343389

order1024
nilpotency class4
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C2×#442
commutatorC22×C8C23×C4
Frattini, cosocleC2×C4×C8C24
prime radicalC2×#466C2×C4
LCSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ #8144 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

851 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 512

A minimal faithful permutation representation — 4 generators on 40 points:

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

Polycyclic presentation:

2^10|a^2=e,d^2=fh,e^2=h,g^2=i,i^2=j,b^a=bij,c^a=ch,c^b=cf,d^a=dfgij,d^b=dfgij,d^c=dh,e^d=ej,g^a=gi,g^b=gij,g^d=gij,i^a=ij,i^b=ij,i^d=ij

Conjugacy classes & character table

100 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72343411, #72343667, #72343778
maximal normal subgroup of#72343411, #72343667, #72343778

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