Finite Group Databasebeta
Cayley diagram

#137030

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 radicalC23#459
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ C8×M16 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 325 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 degreeμ(G) = 40
transitive degreeμt(G) = 128

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

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

Polycyclic presentation:

2^9|a^2=f,b^2=dfg,c^2=i,d^2=g,e^2=hi,f^2=hi,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, 44226);