#265102

order	512
nilpotency class	3
isoclinism	isoclinic class of #265099
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂⁶

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	#2408
commutator, Frattini, cosocle	C₂×C₄²	C₂⁴
prime radical	#18756	C₂
LCS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂×C₄² ◁ G
LECS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁

1058 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 40
transitive degree	μ_t(G) = 128

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

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

Polycyclic presentation:

2^9|a^2=h,b^2=e,d^2=eh,e^2=h,f^2=i,g^2=hi,b^a=be,c^a=cf,d^a=de,e^a=eh,f^a=fi,g^a=ghi,c^b=cg,d^b=dh,f^b=fhi,g^b=ghi,f^c=fi,g^c=ghi

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, 172298);