#7947745

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
prime radical	#2535	C₂²
LCS	G ▷ C₂³ ▷ C₁
UCS	C₁ ◁ C₂³ ◁ G
LECS	G ▷ C₂³ ▷ C₁

4205 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 40
transitive degree	μ_t(G) = 256

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

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

Polycyclic presentation:

2^9|a^2=gh,b^2=gi,c^2=ghi,d^2=ghi,f^2=i,b^a=bg,c^a=ch,d^a=di,e^a=eh,c^b=ci,d^c=dh,f^e=fi

Conjugacy classes & character table

95 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 7854941);