#138455

order	512
nilpotency class	4
isoclinism	isoclinic class of #138415
automorphism	?
homology	Abelianization (H₁) = C₂²×C₄ · Schur multiplier (H₂) = C₂³

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	#1874
commutator	C₄×C₈	C₂²×C₄
Frattini, cosocle	C₂×C₄×C₈	C₂³
prime radical	#19258	C₂
LCS	G ▷ C₄×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂×C₄² ◁ C₂×C₈×D₄ ◁ G
LECS	G ▷ C₂×C₄×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁

389 conjugacy classes of subgroups; only the 82 normal subgroups are shown.

normal subgroups only

This group has 389 conjugacy classes of subgroups — too many to draw. Only its 82 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) = 128

A minimal faithful permutation representation — 3 generators on 48 points:

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

Polycyclic presentation:

2^9|a^2=f,b^2=dfh,c^2=i,d^2=ghi,e^2=gi,f^2=ghi,h^2=i,b^a=bd,c^a=ce,d^a=dg,d^b=dh,e^b=egi,f^b=fh,h^b=hi,d^c=dgi,e^c=egi,f^c=fgi

Conjugacy classes & character table

59 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 45651);