Finite Group Databasebeta

#72234366

order1024
nilpotency class5
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#2177
commutatorC2×C16C23×C4
Frattini, cosocleC4×C16C24
socleC22C2×#2177
prime radicalC2×#2262C4
LCSG ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ C2×C82 ◁ C2×#1311 ◁ G
LECSG ▷ C4×C16 ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1

587 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 72
transitive degreeμt(G) = 512

A minimal faithful permutation representation — 4 generators on 72 points:

(1,2,5,4)(3,7,8,6)(9,10)(11,21)(12,28)(13,33)(14,36)(15,16)(17,24)(18,31)(19,30)(20,34)(22,45)(23,38)(25,46)(26,59)(27,60)(29,41)(32,65)(35,66)(37,56)(39,63)(40,54)(42,70)(43,50)(44,53)(47,57)(48,55)(49,61)(51,69)(52,68)(58,72)(62,64)(67,71);(1,3,4,7,5,8,2,6)(11,22,25,27)(12,29)(17,40,37,43)(18,38)(21,45,46,60)(23,31)(24,54,56,50)(26,51,58,55)(28,41)(32,64)(42,68,67,47)(44,61)(48,59,69,72)(49,53)(52,71,57,70)(62,65);(10,16)(17,37)(18,38)(19,39)(20,36)(21,46)(28,41)(33,66)(40,43)(42,67)(44,61)(45,60)(47,68)(48,69)(59,72)(62,65);(9,11,23,52,13,26,32,54,34,22,49,70,63,51,12,24,15,25,31,57,35,58,64,50,14,27,53,71,30,55,29,56)(10,17,41,69,19,42,44,45,36,40,62,59,66,68,18,21,16,37,28,48,39,67,61,60,20,43,65,72,33,47,38,46)

Polycyclic presentation:

2^10|a^2=h,b^2=f,d^2=egj,e^2=gi,f^2=h,g^2=ij,i^2=j,b^a=bh,c^a=cj,d^a=de,d^b=dij,e^a=eg,e^b=ej,f^d=fj,g^a=gi,i^a=ij

Conjugacy classes & character table

112 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72234370, #72321149, #72321160, …
maximal normal subgroup of#72234370, #72321149, #72321160, …

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