Finite Group Databasebeta

#72321462

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 radicalC23#1580
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C4×C8 ◁ #11402 ◁ G
LECSG ▷ C82 ▷ C42 ▷ C22 ▷ C1

565 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 64
transitive degreeμt(G) = 512

A minimal faithful permutation representation — 4 generators on 64 points:

(1,2,4,8,5,9,14,20,6,10,15,21,16,22,26,30)(3,7,12,18,13,19,25,29,11,17,23,27,24,28,31,32)(33,34)(35,45,47,62)(36,50,53,59)(37,54)(38,57)(39,44)(40,48,58,55)(41,49,61,64)(42,46)(43,51)(52,63)(56,60);(1,3,4,12,5,13,14,25,6,11,15,23,16,24,26,31)(2,7,8,18,9,19,20,29,10,17,21,27,22,28,30,32)(33,35,46,36,51,64,37,55,39,47,52,53,38,49,56,48)(34,40,54,61,57,50,42,62,44,58,60,41,43,59,63,45);(3,11)(7,17)(12,23)(13,24)(18,27)(19,28)(25,31)(29,32);(33,36,52,64,51,55,56,47,39,53,46,49,38,48,37,35)(34,41,60,59,57,45,63,40,44,61,54,50,43,62,42,58)

Polycyclic presentation:

2^10|a^2=e,b^2=efh,d^2=fhj,e^2=g,f^2=h,g^2=i,h^2=j,b^a=bf,c^b=ci,d^a=dfh,d^b=dhj,e^b=ej,e^d=ej,f^a=fh,f^b=fj,h^a=hj

Conjugacy classes & character table

124 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72321481, #72321542, #72322228, …
maximal normal subgroup of#72321481, #72321542, #72322228, …

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