Finite Group Databasebeta

#72320939

order1024
nilpotency class4
automorphism?
homologyAbelianization (H1) = C23×C8 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C2×#442
commutatorC2×C8C23×C8
Frattini, cosocleC82C24
socleC22C2×#1580
prime radicalC2×#509C8
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C4×C8 ◁ #11410 ◁ G
LECSG ▷ C82 ▷ C42 ▷ C22 ▷ C1

656 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 48
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 4 generators on 48 points:

(17,18)(19,29)(20,23)(21,25)(22,27)(24,33)(26,31)(28,35)(30,43)(32,39)(34,37)(36,44)(38,46)(40,47)(41,48)(42,45);(1,2,4,8,5,7,12,14,6,9,13,15,3,10,11,16)(18,23,25,26,27,37,28,38)(19,30,32,44)(20,34)(24,39,41,43,40,29,42,36)(31,46)(33,48,47,45);(1,3,6,5)(2,7,9,10)(4,11,13,12)(8,14,15,16)(17,19,31,45,21,30,34,47,22,32,46,48,35,44,20,33)(18,24,23,36,28,41,38,39,27,40,37,43,25,42,26,29);(19,32)(24,40)(29,39)(30,44)(33,47)(36,43)(41,42)(45,48)

Polycyclic presentation:

2^10|b^2=e,c^2=fhi,e^2=g,f^2=hj,g^2=i,h^2=j,b^a=bf,c^a=cf,c^b=chi,d^c=dj,e^a=eh,e^c=ej,f^a=fh,f^b=fj,g^a=gj,h^a=hj

Conjugacy classes & character table

160 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72321010, #72321060, #72321716
maximal normal subgroup of#72321010, #72321060, #72321716

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