#490989

order	512
nilpotency class	4
isoclinism	isoclinic class of #490883
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂⁴

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	C₂×#459
commutator, Frattini, cosocle	C₄×C₈	C₂⁴
prime radical	C₂³	#459
LCS	G ▷ C₄×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂×C₄² ◁ C₂×C₈² ◁ G
LECS	G ▷ C₄×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁

423 conjugacy classes of subgroups; only the 130 normal subgroups are shown.

normal subgroups only

This group has 423 conjugacy classes of subgroups — too many to draw. Only its 130 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) = 48
transitive degree	μ_t(G) = 256

A minimal faithful permutation representation — 4 generators on 48 points:

(1,2)(3,10)(4,8)(5,14)(6,9)(7,12)(11,15)(13,16)(17,18,23,27)(19,28,32,46)(20,25,22,38)(21,34,37,45)(24,39,41,30)(26,33,44,36)(29,43,31,48)(35,42,47,40);(1,3,4,11,6,13,5,12)(2,7,14,16,9,15,8,10);(1,2)(3,7)(4,14)(5,8)(6,9)(10,12)(11,16)(13,15)(17,19,23,32)(18,24,27,41)(20,31,22,29)(21,35,37,47)(25,42,38,40)(26,43,44,48)(28,45,46,34)(30,33,39,36);(1,4,6,5)(2,8,9,14)(3,11,13,12)(7,10,15,16)(17,20,23,22)(18,25,27,38)(19,29,32,31)(21,33,37,36)(24,40,41,42)(26,34,44,45)(28,43,46,48)(30,47,39,35)

Polycyclic presentation:

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

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, 398185);