Finite Group Databasebeta
Cayley diagram

#144191

order512
nilpotency class4
isoclinismisoclinic class of #144119
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#2011
commutator, Frattini, cosocleC2×C4×C8C23
prime radicalC23#496
LCSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ C2×C82 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

392 conjugacy classes of subgroups; only the 96 normal subgroups are shown.

normal subgroups only

This group has 392 conjugacy classes of subgroups — too many to draw. Only its 96 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:

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

Polycyclic presentation:

2^9|a^2=g,b^2=i,c^2=g,d^2=g,e^2=hi,f^2=gh,h^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=eh,f^a=fghi,h^a=hi,c^b=cf,d^b=dg,e^b=eh,f^b=fghi,h^b=hi,d^c=dgi,e^c=eh,f^c=fghi,h^c=hi

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 51387);