Finite Group Databasebeta

#72306964

order1024
nilpotency class3
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C2×#391
commutatorC23×C4C23×C4
Frattini, cosocleC23×C8C24
socleC22C2×#1985
prime radicalC25C2×M16
LCSG ▷ C23×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C24×C8 ◁ G
LECSG ▷ C23×C8 ▷ C4 ▷ C2 ▷ C1

2281 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 64

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

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

Polycyclic presentation:

2^10|a^2=h,b^2=h,c^2=f,e^2=j,f^2=i,i^2=j,b^a=bg,c^a=ce,c^b=ci,d^c=dgh,e^b=ej,f^a=fj,f^b=fj,g^c=gj,h^c=hj

Conjugacy classes & character table

136 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72306996, #72307077, #72307284
maximal normal subgroup of#72306996, #72307077, #72307284

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