Finite Group Databasebeta

#72286367

order1024
nilpotency class4
automorphism?
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C28

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C22×#442
commutatorC2×C8C24×C4
Frattini, cosocleC4×C8C25
prime radicalC2×#3415C4
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C4×#41 ◁ #17316 ◁ G
LECSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

2716 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 256

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

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

Polycyclic presentation:

2^10|b^2=f,c^2=ghj,d^2=fij,f^2=h,g^2=i,i^2=j,c^b=cg,d^a=dj,d^b=dg,d^c=dgij,e^c=eghj,e^d=eghj,f^c=fj,f^d=fj,g^b=gi,g^d=gi,g^e=gij,i^b=ij,i^d=ij,i^e=ij

Conjugacy classes & character table

154 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72286625, #72287030, #72287099, …
maximal normal subgroup of#72286625, #72287030, #72287099, …

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