Finite Group Databasebeta

#72256102

order1024
nilpotency class3
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C28

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#13956
commutatorC23×C4C23×C4
Frattini, cosocleC24×C4C24
prime radical#7713863C2
LCSG ▷ C23×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C24×C4 ◁ G
LECSG ▷ C24×C4 ▷ C22 ▷ C1

5491 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

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

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

Polycyclic presentation:

2^10|a^2=f,b^2=h,c^2=efi,e^2=ij,b^a=bg,c^a=ce,c^b=cghi,d^a=dij,d^c=dhj,e^b=ei,e^c=eij,e^d=eij,f^c=fij,g^b=gij,g^c=gj,h^a=hij,h^c=hij

Conjugacy classes & character table

94 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72256124, #72256215, #72256392
maximal normal subgroup of#72256124, #72256215, #72256392

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