Finite Group Databasebeta

#72343158

order1024
nilpotency class3
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C29

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#2847
commutatorC23×C4C23×C4
Frattini, cosocleC22×C42C24
socleC22#14694
prime radical#6628982C2
LCSG ▷ C23×C4 ▷ C22 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×C42 ◁ G
LECSG ▷ C22×C42 ▷ C22 ▷ C1

5846 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)(3,5)(4,7)(6,8)(9,10,13,17,14,18,25,32)(11,15,20,27,21,28,34,38)(12,16,23,30,24,31,36,40)(19,29,33,39,22,26,35,37);(2,5)(3,8)(6,7)(19,22)(26,29)(33,35)(37,39);(9,11)(10,15)(12,22)(13,20)(14,21)(16,29)(17,27)(18,28)(19,24)(23,35)(25,34)(26,31)(30,39)(32,38)(33,36)(37,40);(9,12)(10,16)(11,19)(13,23)(14,24)(15,26)(17,30)(18,31)(20,33)(21,22)(25,36)(27,37)(28,29)(32,40)(34,35)(38,39)

Polycyclic presentation:

2^10|a^2=e,e^2=i,h^2=j,b^a=bh,c^a=cg,c^b=cg,d^a=df,d^b=df,d^c=di,f^c=fi,g^d=gi,h^a=hj,h^b=hj

Conjugacy classes & character table

166 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72343160, #72343178, #72343203
maximal normal subgroup of#72343160, #72343178, #72343203

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