#130675

order	512
nilpotency class	4
isoclinism	isoclinic class of #130512
automorphism	?
homology	Abelianization (H₁) = C₂²×C₄ · Schur multiplier (H₂) = C₂⁴

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	#1782
commutator	C₂×C₄²	C₂²×C₄
Frattini, cosocle	C₂×C₄×Q₈	C₂³
prime radical	C₂³	#379
LCS	G ▷ C₂×C₄² ▷ C₂³ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂²×C₄ ◁ #2356 ◁ G
LECS	G ▷ C₂×C₄×Q₈ ▷ C₂³ ▷ C₂ ▷ C₁

472 conjugacy classes of subgroups; only the 78 normal subgroups are shown.

normal subgroups only

This group has 472 conjugacy classes of subgroups — too many to draw. Only its 78 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) = 40
transitive degree	μ_t(G) = 128

A minimal faithful permutation representation — 3 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=f,b^2=g,c^2=hi,d^2=hi,e^2=i,f^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=eg,g^a=gi,d^b=dh,e^b=ei,f^b=fghi,d^c=di,e^c=ei,f^c=fgi,f^d=fi,f^e=fi

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, 37871);