#488904

order	512
nilpotency class	4
isoclinism	isoclinic class of #488901
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂⁶

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	C₂×#447
commutator, Frattini, cosocle	C₄×C₈	C₂⁴
prime radical	#61084	C₂
LCS	G ▷ C₄×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂×C₄² ◁ #2931 ◁ G
LECS	G ▷ C₄×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁

1005 conjugacy classes of subgroups; only the 156 normal subgroups are shown.

normal subgroups only

This group has 1005 conjugacy classes of subgroups — too many to draw. Only its 156 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

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

Polycyclic presentation:

2^9|a^2=i,d^2=i,e^2=gi,f^2=h,g^2=i,b^a=be,c^a=cf,d^a=di,e^a=eg,f^a=fh,g^a=gi,e^b=eg,f^b=fh,g^b=gi,d^c=di,e^c=eh,f^c=fh

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, 396100);