#319727

order	512
nilpotency class	3
isoclinism	isoclinic class of #298939
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂²×C₄

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂³	C₂×#127
commutator, Frattini, cosocle	C₂×C₄²	C₂⁴
prime radical	C₂×#532	C₂²
LCS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁
UCS	C₁ ◁ C₂³ ◁ C₂²×C₄² ◁ G
LECS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁

813 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)(9,10,14,16,12,17,13,18)(11,19,22,24,20,15,21,23)(25,26,30,35,31,36,29,34)(27,32,37,40,28,39,38,33);(1,3,4,8)(2,5,6,7)(9,11)(10,15)(12,20)(13,21)(14,22)(16,23)(17,19)(18,24)(25,27,30,37,31,28,29,38)(26,32,35,40,36,39,34,33);(10,16)(13,14)(15,23)(17,18)(19,24)(21,22)(25,28)(26,33)(27,31)(29,38)(30,37)(32,34)(35,39)(36,40);(2,6)(5,7)(10,17)(11,20)(16,18)(21,22)(25,29,31,30)(26,34,36,35)(27,37,28,38)(32,40,39,33)

Polycyclic presentation:

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

Conjugacy classes & character table

74 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 226923);