Finite Group Databasebeta

#72287647

order2048
nilpotency class4
automorphism?
homologyAbelianization (H1) = C23×C8 · Schur multiplier (H2) = C25×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC22×C4C2×#442
commutatorC22×C8C23×C8
Frattini, cosocleC22×C4×C8C24
socleC23C2×#1580
prime radicalC2×#3050C2×C4
LCSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C24×C8 ◁ C23×#346 ◁ G
LECSG ▷ C22×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

3895 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

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

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

Polycyclic presentation:

2^11|b^2=e,c^2=egjk,d^2=eghj,e^2=i,g^2=j,h^2=jk,i^2=k,j^2=k,b^a=bf,c^b=cfhj,d^a=df,d^b=dg,d^c=dfhjk,e^c=ek,e^d=ek,g^b=gj,g^c=gk,g^d=gj,h^b=hjk,h^c=hk,h^d=hjk,j^b=jk,j^d=jk

Conjugacy classes & character table

224 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72287683
maximal normal subgroup of#72287683

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", "k");;
gap> coll := SingleCollector(F, [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2]);;
gap> SetPower(coll, 2, F.5);;
gap> SetPower(coll, 3, F.5*F.7*F.10*F.11);;
gap> SetPower(coll, 4, F.5*F.7*F.8*F.10);;
gap> SetPower(coll, 5, F.9);;
gap> SetPower(coll, 7, F.10);;
gap> SetPower(coll, 8, F.10*F.11);;
gap> SetPower(coll, 9, F.11);;
gap> SetPower(coll, 10, F.11);;
gap> SetConjugate(coll, 2, 1, F.2*F.6);;
gap> SetConjugate(coll, 3, 2, F.3*F.6*F.8*F.10);;
gap> SetConjugate(coll, 4, 1, F.4*F.6);;
gap> SetConjugate(coll, 4, 2, F.4*F.7);;
gap> SetConjugate(coll, 4, 3, F.4*F.6*F.8*F.10*F.11);;
gap> SetConjugate(coll, 5, 3, F.5*F.11);;
gap> SetConjugate(coll, 5, 4, F.5*F.11);;
gap> SetConjugate(coll, 7, 2, F.7*F.10);;
gap> SetConjugate(coll, 7, 3, F.7*F.11);;
gap> SetConjugate(coll, 7, 4, F.7*F.10);;
gap> SetConjugate(coll, 8, 2, F.8*F.10*F.11);;
gap> SetConjugate(coll, 8, 3, F.8*F.11);;
gap> SetConjugate(coll, 8, 4, F.8*F.10*F.11);;
gap> SetConjugate(coll, 10, 2, F.10*F.11);;
gap> SetConjugate(coll, 10, 4, F.10*F.11);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);