Finite Group Databasebeta

#72225179

order2048
nilpotency class5
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C22×C8

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#140526
commutatorC4×C16C22×C8
Frattini, cosocleC4×#346C23
prime radicalC2×#12515C4
LCSG ▷ C4×C16 ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ C4×C82 ◁ C8×#346 ◁ G
LECSG ▷ C4×#346 ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

1241 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 256

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

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

Polycyclic presentation:

2^11|a^2=d,c^2=f,d^2=g,e^2=h,f^2=i,g^2=k,h^2=j,i^2=k,j^2=k,b^a=be,c^a=cf,c^b=cfik,d^b=djk,d^c=dk,e^a=eh,e^b=ehjk,e^d=ek,f^a=fi,f^b=fik,g^b=gk,h^a=hj,h^b=hjk,i^a=ik,i^b=ik,j^a=jk,j^b=jk

Conjugacy classes & character table

152 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72225190, #72225267, #72225283, …
maximal normal subgroup of#72225190, #72225267, #72225283, …
maximal quotient of#72225181, #72225283

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