#72307026

order	1024
nilpotency class	4
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂⁶

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	C₂×#2034
commutator, Frattini, cosocle	C₂³×C₈	C₂⁴
prime radical	C₂⁴×D₈	C₂²
LCS	G ▷ C₂³×C₈ ▷ C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂⁴×C₄ ◁ C₂²×#405 ◁ G
LECS	G ▷ C₂³×C₈ ▷ C₄ ▷ C₂ ▷ C₁

3855 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 40
transitive degree	μ_t(G) = 64

A minimal faithful permutation representation — 4 generators on 40 points:

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

Polycyclic presentation:

2^10|a^2=h,b^2=gh,c^2=fj,e^2=j,f^2=i,i^2=j,b^a=bg,c^a=cf,c^b=ce,d^c=dgh,e^b=ej,f^a=fi,f^b=fj,g^c=gj,h^c=hj,i^a=ij

Conjugacy classes & character table

100 conjugacy classes — view the full character table.

Relationships

maximal subgroup of	#72307029, #72307110, #72307438
maximal normal subgroup of	#72307029, #72307110, #72307438

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