Finite Group Databasebeta

#72267754

order1024
nilpotency class4
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC24B(4,𝔽2)
commutator, Frattini, cosocleC22×#95C23
prime radicalC2×#2656C22
LCSG ▷ C22×#95 ▷ C24 ▷ C2 ▷ C1
UCSC1 ◁ C24 ◁ C25 ◁ C22×#95 ◁ G
LECSG ▷ C22×#95 ▷ C24 ▷ C2 ▷ C1

2658 conjugacy classes of subgroups; only the 191 normal subgroups are shown.

normal subgroups only

This group has 2658 conjugacy classes of subgroups — too many to draw. Only its 191 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 3 generators on 40 points:

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

Polycyclic presentation:

2^10|b^2=f,c^2=fhi,d^2=i,e^2=h,b^a=be,c^a=cd,c^b=cfhj,d^a=di,d^b=dg,d^c=di,e^a=eh,e^b=eh,e^c=egj,e^d=ej,g^a=gj

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#72267755
maximal subgroup of#72267755
maximal normal subgroup of#72267755
maximal quotient of#72267761

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