Finite Group Databasebeta

#72224945

order1024
nilpotency class4
automorphism?
homologyAbelianization (H1) = C23×C8 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C2×#442
commutatorC2×C8C23×C8
Frattini, cosocleC2×C4×C8C24
socleC22C2×#1580
prime radical#33600C4
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C23×C8 ◁ C22×#346 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

1001 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 36
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 36 points:

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

Polycyclic presentation:

2^10|a^2=e,b^2=eghi,d^2=gi,e^2=h,g^2=i,h^2=j,i^2=j,b^a=bg,c^a=cf,d^a=dgi,d^b=dij,e^b=ej,e^d=ej,g^a=gi,g^b=gj,i^a=ij

Conjugacy classes & character table

136 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72224969, #72225052, #72225074, …
maximal normal subgroup of#72224969, #72225052, #72225074, …
maximal quotient ofC2×#72224945, #72286960, #72287011, …

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