#340457

order	512
nilpotency class	3
isoclinism	isoclinic class of #331655
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

579 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:

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

Polycyclic presentation:

2^9|a^2=e,b^2=h,c^2=hi,d^2=ei,f^2=h,g^2=i,b^a=be,c^a=cf,d^a=def,f^a=fh,c^b=cg,d^b=de,g^b=gi,f^c=fh,g^c=gi,f^d=fh

Conjugacy classes & character table

65 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 247653);