#354704

order	512
nilpotency class	3
isoclinism	isoclinic class of #468
automorphism	?
homology	Abelianization (H₁) = C₂²×C₄² · Schur multiplier (H₂) = C₂⁴×C₄

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center	C₂²×C₈	C₂×D₄
commutator	C₂×C₄	C₂²×C₄²
Frattini, cosocle	C₂³×C₄	C₂⁴
socle	C₂³	C₂×C₄×D₄
prime radical	C₂⁴	C₂×#41
LCS	G ▷ C₂×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂²×C₈ ◁ C₂²×C₄×C₈ ◁ G
LECS	G ▷ C₂³×C₄ ▷ C₂ ▷ C₁

1098 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:

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

Polycyclic presentation:

2^9|a^2=g,b^2=h,c^2=f,d^2=eg,f^2=i,g^2=i,b^a=be,c^a=cf,f^a=fi,c^b=ci

Conjugacy classes & character table

128 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 261900);