#8720789

order	512
nilpotency class	2
automorphism	?
homology	Abelianization (H₁) = C₂⁶ · Schur multiplier (H₂) = C₂¹²

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, commutator, Frattini, socle, cosocle	C₂³	C₂⁶
LCS	G ▷ C₂³ ▷ C₁
UCS	C₁ ◁ C₂³ ◁ G
LECS	G ▷ C₂³ ▷ C₁

4425 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 40
transitive degree	μ_t(G) = 128

A minimal faithful permutation representation — 6 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=i,b^2=hi,c^2=ghi,d^2=i,e^2=g,f^2=h,b^a=bg,c^a=ch,d^a=dg,e^a=eh,c^b=ci,d^b=dh,d^c=dgi,f^d=fgi,f^e=fgi

Conjugacy classes & character table

89 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 8627985);