#72307197

order	1024
nilpotency class	3
automorphism	?
homology	Abelianization (H₁) = C₂⁵ · Schur multiplier (H₂) = C₂⁷

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center	C₂×C₄	C₂×#535
commutator, Frattini, cosocle	C₂×C₄²	C₂⁵
socle	C₂²	#34963
prime radical	#34547	C₂²
LCS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁
UCS	C₁ ◁ C₂×C₄ ◁ C₂×C₄×C₈ ◁ G
LECS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁

2491 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

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

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

Polycyclic presentation:

2^10|a^2=g,b^2=ghi,c^2=ghi,e^2=hij,f^2=i,g^2=j,h^2=j,b^a=bh,c^a=cf,d^c=dghi,e^a=ehij,e^b=ej,e^c=ei,f^a=fi,f^c=fij,f^d=fj,h^a=hj

Conjugacy classes & character table

112 conjugacy classes — view the full character table.

Relationships

maximal subgroup of	#72307250, #72307684
maximal normal subgroup of	#72307250, #72307684

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