Finite Group Databasebeta
Cayley diagram

#136549

order512
nilpotency class4
isoclinismisoclinic class of #136514
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1864
commutatorC4×C8C22×C4
Frattini, cosocleC2×C4×C8C23
prime radicalC23#450
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ C8×C4⋊C4 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

291 conjugacy classes of subgroups; only the 90 normal subgroups are shown.

normal subgroups only

This group has 291 conjugacy classes of subgroups — too many to draw. Only its 90 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:

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

Polycyclic presentation:

2^9|a^2=f,b^2=fh,c^2=g,d^2=g,e^2=h,f^2=i,h^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=eh,h^a=hi,d^b=dgi,e^b=egi,d^c=dgi,e^c=ehi,f^c=fi,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, 43745);