#489887

order	512
nilpotency class	4
isoclinism	isoclinic class of #489701
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂⁵

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	C₂×#447
commutator, Frattini, cosocle	C₄×C₈	C₂⁴
prime radical	C₂³	#447
LCS	G ▷ C₄×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂×C₄² ◁ C₂×C₈×Q₈ ◁ G
LECS	G ▷ C₄×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁

678 conjugacy classes of subgroups; only the 144 normal subgroups are shown.

normal subgroups only

This group has 678 conjugacy classes of subgroups — too many to draw. Only its 144 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)(3,12)(4,15)(5,11)(6,10)(7,9)(8,13)(14,16)(17,18,22,24)(19,27,30,46)(20,31,35,45)(21,36,33,26)(23,38,39,28)(25,42,41,34)(29,47,37,43)(32,44,48,40);(1,3,7,4)(2,8,9,16)(5,14,6,13)(10,15,11,12)(17,19,22,30)(18,23,24,39)(20,32,35,48)(21,37,33,29)(25,43,41,47)(26,44,36,40)(27,45,46,31)(28,42,38,34);(1,4,7,3)(2,8,9,16)(5,13,6,14)(10,15,11,12);(2,9)(8,16)(10,11)(12,15)(18,24)(23,39)(25,41)(26,36)(27,46)(31,45)(40,44)(43,47)

Polycyclic presentation:

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

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, 397083);