Finite Group Databasebeta
Cayley diagram

#145471

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:

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

Polycyclic presentation:

2^9|a^2=ghi,b^2=i,c^2=dh,d^2=gi,e^2=hi,f^2=g,g^2=i,h^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=eh,f^a=fgi,g^a=gi,h^a=hi,c^b=cf,d^b=dg,e^b=egi,f^b=fgi,g^b=gi,h^b=hi,e^c=eghi,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, 52667);