Finite Group Databasebeta
Cayley diagram

#137028

order512
nilpotency class4
isoclinismisoclinic class of #136902
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1879
commutatorC4×C8C22×C4
Frattini, cosocleC2×C4×C8C23
prime radical#33675C2
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ C8×M16 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

335 conjugacy classes of subgroups; only the 76 normal subgroups are shown.

normal subgroups only

This group has 335 conjugacy classes of subgroups — too many to draw. Only its 76 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) = 256

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

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

Polycyclic presentation:

2^9|a^2=f,b^2=dfgi,c^2=i,d^2=g,e^2=hi,f^2=h,g^2=i,h^2=i,b^a=bd,c^a=ce,d^a=di,d^b=dg,e^b=eh,f^b=fg,g^b=gi,h^b=hi,d^c=dh,e^c=eh,f^c=fh,g^c=gi,h^c=hi

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, 44224);