#7901121

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	C₂²×D₄	C₂⁴
LCS	G ▷ C₂³ ▷ C₁
UCS	C₁ ◁ C₂³ ◁ G
LECS	G ▷ C₂³ ▷ C₁

4147 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:

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

Polycyclic presentation:

2^9|a^2=ghi,b^2=g,d^2=i,e^2=h,f^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, 7808317);