#491226

order	512
nilpotency class	4
isoclinism	isoclinic class of #491221
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂⁴

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	C₂×#466
commutator, Frattini, cosocle	C₄×C₈	C₂⁴
prime radical	#19101	C₂
LCS	G ▷ C₄×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂×C₄² ◁ C₂×C₈×D₄ ◁ G
LECS	G ▷ C₄×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁

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

normal subgroups only

This group has 464 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) = 128

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

83 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 398422);