#219249

order	512
nilpotency class	3
isoclinism	isoclinic class of #30396
automorphism	?
homology	Abelianization (H₁) = C₂³×C₄ · Schur multiplier (H₂) = C₂²×C₄

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center	C₂²×C₄	C₂²×D₄
commutator	C₂²×C₄	C₂³×C₄
Frattini, cosocle	C₂×C₄²	C₂⁴
socle	C₂³	C₂×C₄×D₄
prime radical	C₂²×D₄	C₂²×C₄
LCS	G ▷ C₂²×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂²×C₄ ◁ #1744 ◁ G
LECS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁

568 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:

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

Polycyclic presentation:

2^9|a^2=g,b^2=gh,c^2=f,d^2=eh,f^2=h,g^2=i,b^a=be,c^a=cf,d^a=de,f^a=fh,c^b=ce,d^b=dhi,d^c=dhi

Conjugacy classes & character table

92 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 126445);