Finite Group Databasebeta

#72308164

order1024
nilpotency class4
automorphism?
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C27×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C22×#442
commutatorC2×C8C24×C4
Frattini, cosocleC22×C8C25
prime radical#7622812C2
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C24×C4 ◁ C22×#405 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

4561 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 64

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

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

Polycyclic presentation:

2^10|a^2=f,c^2=gj,d^2=fhi,g^2=i,h^2=i,i^2=j,c^a=cg,c^b=cghij,d^a=dh,d^b=dghij,d^c=dij,e^c=ej,f^c=fj,f^d=fj,g^a=gi,g^d=gj,h^a=hi,h^d=hj,i^a=ij

Conjugacy classes & character table

112 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72308189, #72308232, #72308553
maximal normal subgroup of#72308189, #72308232, #72308553

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