Finite Group Databasebeta
Cayley diagram

#145451

order512
nilpotency class4
isoclinismisoclinic class of #145359
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#2054
commutator, Frattini, cosocleC2×C4×C8C23
prime radicalC23#463
LCSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ #1450 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 276 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) = 256

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

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

Polycyclic presentation:

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

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, 52647);