#7901581

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	C₂×#553	C₂²
LCS	G ▷ C₂³ ▷ C₁
UCS	C₁ ◁ C₂³ ◁ G
LECS	G ▷ C₂³ ▷ C₁

4315 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)(9,10,15,17)(11,19,20,16)(12,22,23,14)(13,24,21,18)(25,26)(27,29)(28,33)(30,35)(31,36)(32,34)(37,39)(38,40);(1,3,5,8)(2,6,4,7)(9,11,15,20)(10,16,17,19)(12,21,23,13)(14,18,22,24)(25,27,31,34)(26,32,36,29)(28,38,39,35)(30,37,40,33);(1,4,5,2)(3,7,8,6)(10,17)(11,20)(12,23)(18,24)(25,28,31,39)(26,33,36,37)(27,35,34,38)(29,30,32,40);(9,12)(10,14)(11,21)(13,20)(15,23)(16,18)(17,22)(19,24)(25,29,31,32)(26,34,36,27)(28,30,39,40)(33,38,37,35);(9,13,15,21)(10,18,17,24)(11,12,20,23)(14,16,22,19)(25,30)(26,35)(27,37)(28,32)(29,39)(31,40)(33,34)(36,38);(9,14)(10,12)(11,18)(13,19)(15,22)(16,21)(17,23)(20,24)(25,26)(27,32)(28,33)(29,34)(30,38)(31,36)(35,40)(37,39)

Polycyclic presentation:

2^9|a^2=ghi,b^2=g,c^2=gh,d^2=hi,e^2=h,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, 7808777);