Finite Group Databasebeta

#72314116

order1024
nilpotency class4
automorphism?
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C28

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C22×#442
commutatorC2×C8C24×C4
Frattini, cosocleC22×C8C25
prime radical#7623305C2
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C24×C4 ◁ C2×#1752 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

3121 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 40 points:

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

Polycyclic presentation:

2^10|a^2=f,c^2=fgj,d^2=h,e^2=fgj,h^2=i,i^2=j,b^a=bg,c^a=cgj,c^b=cg,d^a=dh,d^b=dg,d^c=dghj,e^a=egj,e^d=egij,f^d=fj,h^a=hi,h^c=hi,h^e=hj,i^a=ij,i^c=ij

Conjugacy classes & character table

106 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72314160, #72314329, #72314475
maximal normal subgroup of#72314160, #72314329, #72314475

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