Finite Group Databasebeta
Cayley diagram

#131924

order512
nilpotency class4
isoclinismisoclinic class of #131820
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1786
commutatorC4×C8C22×C4
Frattini, cosocleC2×C4×C8C23
prime radical#61284C2
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ #2931 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

597 conjugacy classes of subgroups; only the 106 normal subgroups are shown.

normal subgroups only

This group has 597 conjugacy classes of subgroups — too many to draw. Only its 106 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 128

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

62 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 39120);