#340616

order	512
nilpotency class	3
isoclinism	isoclinic class of #331655
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂²×C₄

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle, prime radical	C₂³	D₄²
commutator, Frattini, cosocle	C₂×C₄²	C₂⁴
LCS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁
UCS	C₁ ◁ C₂³ ◁ C₂×C₄² ◁ G
LECS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁

544 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 40
transitive degree	μ_t(G) = 512

A minimal faithful permutation representation — 4 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=ei,b^2=hi,c^2=hi,d^2=eh,f^2=h,g^2=i,b^a=be,c^a=cf,d^a=def,f^a=fh,c^b=cg,d^b=de,g^b=gi,f^c=fh,g^c=gi,f^d=fh

Conjugacy classes & character table

65 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 247812);