Finite Group Databasebeta

#72298417

order1024
nilpotency class2
automorphism?
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C212×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, Frattini, socle, cosocleC25C25
commutatorC24C24×C4
prime radicalC23×D42C2
LCSG ▷ C24 ▷ C1
UCSC1 ◁ C25 ◁ G
LECSG ▷ C25 ▷ C1

64741 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 5 generators on 20 points:

(5,6)(7,8)(10,11)(13,14)(15,16)(17,18)(19,20);(2,3)(5,6,8,7)(10,11)(14,15)(17,18,19,20);(1,2)(3,4)(5,6)(7,8)(17,18)(19,20);(2,3)(6,7)(9,10,12,11)(13,14,16,15)(17,18,19,20);(1,3,4,2)(5,7,8,6)(9,11,12,10)(13,15,16,14)(17,18)(19,20)

Polycyclic presentation:

2^10|b^2=gj,d^2=fghij,e^2=fgij,b^a=bg,c^b=ch,d^a=df,d^b=dfhi,d^c=dh,e^a=efhi,e^b=efi,e^c=ei,e^d=eh

Conjugacy classes & character table

196 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72298591, #72298594, #72298625, …
maximal normal subgroup of#72298591, #72298594, #72298625, …
maximal quotient of#72340102

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