#139642

order	512
nilpotency class	4
isoclinism	isoclinic class of #139536
automorphism	?
homology	Abelianization (H₁) = C₂²×C₄ · Schur multiplier (H₂) = C₂³

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	#1889
commutator	C₂×C₄⋊C₄	C₂²×C₄
Frattini, cosocle	C₂×#117	C₂³
prime radical	#3493	C₂²
LCS	G ▷ C₂×C₄⋊C₄ ▷ C₂³ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂²×C₄ ◁ C₂×#117 ◁ G
LECS	G ▷ C₂×#117 ▷ C₂³ ▷ C₂ ▷ C₁

485 conjugacy classes of subgroups; only the 68 normal subgroups are shown.

normal subgroups only

This group has 485 conjugacy classes of subgroups — too many to draw. Only its 68 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) = 64

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

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

Polycyclic presentation:

2^9|a^2=f,b^2=df,c^2=g,d^2=g,e^2=i,f^2=gi,b^a=bd,c^a=ce,d^a=dg,e^a=ehi,h^a=hi,e^b=ehi,d^c=dh,e^c=ei,f^c=fh,e^d=ei,f^e=fi

Conjugacy classes & character table

65 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 46838);