#315548

order	512
nilpotency class	3
isoclinism	isoclinic class of #289819
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	C₂²×D₄	C₂×D₄
LCS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁
UCS	C₁ ◁ C₂³ ◁ C₂×C₄² ◁ G
LECS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁

532 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)(3,5)(4,6)(7,8)(9,10)(11,18)(12,19)(13,23)(14,17)(15,20)(16,21)(22,24)(25,26,30,32,28,33,29,34)(27,35,38,39,37,31,36,40);(1,3,4,7)(2,5,6,8)(9,11,12,13,15,22,14,21)(10,16,17,24,20,23,19,18)(25,27,29,36,28,37,30,38)(26,31,34,39,33,35,32,40);(2,6)(5,8)(9,12,15,14)(10,17,20,19)(11,21,22,13)(16,18,23,24)(26,32)(27,36)(29,30)(33,34)(37,38)(39,40);(9,13,12,22,15,21,14,11)(10,18,17,16,20,24,19,23)(26,33)(27,37)(32,34)(36,38)

Polycyclic presentation:

2^9|a^2=gh,b^2=efi,c^2=h,d^2=ehi,e^2=h,f^2=i,g^2=i,b^a=be,c^a=cf,d^a=de,e^a=eh,c^b=cg,d^b=dhi,d^c=dh,f^c=fi,g^c=gi

Conjugacy classes & character table

62 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 222744);