Finite Group Databasebeta
Cayley diagram

#145959

order512
nilpotency class4
isoclinismisoclinic class of #145951
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#2065
commutator, Frattini, cosocleC2×C4×C8C23
prime radicalC23#460
LCSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ #1450 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 218 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) = 128

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

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

Polycyclic presentation:

2^9|a^2=deh,b^2=d,c^2=g,d^2=g,e^2=hi,f^2=g,h^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=eg,f^a=fgi,c^b=cf,f^b=fi,d^c=dgi,e^c=eh,f^c=fg,h^c=hi

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 53155);