Finite Group Databasebeta

#72316902

order1024
nilpotency class3
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C25×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#7557
commutatorC2×C42C2×C42
Frattini, cosocleC23×C42C23
prime radicalC25#121
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C23×C42 ◁ G
LECSG ▷ C23×C42 ▷ C22 ▷ C1

2261 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 48
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 3 generators on 48 points:

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

Polycyclic presentation:

2^10|a^2=g,b^2=f,c^2=h,d^2=ij,e^2=j,g^2=i,b^a=bgij,c^a=ce,c^b=cd,d^a=di,e^b=eij,f^c=fij,g^b=gi,g^c=gj,h^a=hj,h^b=hij

Conjugacy classes & character table

112 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72316910, #72316914, #72316923
maximal normal subgroup of#72316910, #72316914, #72316923

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