Finite Group Databasebeta
Cayley diagram

#140277

order512
nilpotency class4
isoclinismisoclinic class of #12483
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#459
commutatorC4×C8C22×C4
Frattini, cosocleC2×C4×C8C23
socleC22#1925
prime radical#3147C22
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ C2×C82 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

261 conjugacy classes of subgroups; only the 82 normal subgroups are shown.

normal subgroups only

This group has 261 conjugacy classes of subgroups — too many to draw. Only its 82 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:

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

Polycyclic presentation:

2^9|a^2=f,b^2=dfg,c^2=d,d^2=g,e^2=hi,f^2=i,h^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=eh,h^a=hi,c^b=cg,e^c=egh,h^c=hi

Conjugacy classes & character table

74 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 47473);