#342490

order	512
nilpotency class	3
isoclinism	isoclinic class of #334823
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂²×C₄

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂³	D₄²
commutator, Frattini, cosocle	C₂×C₄²	C₂⁴
prime radical	#2541	C₂²
LCS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁
UCS	C₁ ◁ C₂³ ◁ C₂×C₄² ◁ G
LECS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁

688 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 249686);