Finite Group Databasebeta

#72323286

order1024
nilpotency class2
automorphism?
homologyAbelianization (H1) = C25×C4 · Schur multiplier (H2) = C215

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, Frattini, socle, cosocleC24C26
commutatorC23C25×C4
prime radicalC22×#3484C2
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C24 ▷ C1

67837 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 6 generators on 20 points:

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

Polycyclic presentation:

2^10|c^2=g,d^2=i,e^2=gi,f^2=g,c^a=cg,c^b=cj,d^b=dg,e^b=eg,e^d=eg,f^b=fg,f^d=fgh,f^e=fh

Conjugacy classes & character table

232 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72323292, C2×#72323286
maximal normal subgroup of#72323292, C2×#72323286
maximal quotient of#72323732, #72323751, C2×#72323286, …

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