#138441

order	512
nilpotency class	4
isoclinism	isoclinic class of #138421
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	C₂×#41	D₈
LCS	G ▷ C₄×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂×C₄² ◁ #2965 ◁ G
LECS	G ▷ C₂×C₄×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁

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

normal subgroups only

This group has 320 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) = 256

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

47 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 45637);