Finite Group Databasebeta
Cayley diagram

#145421

order512
nilpotency class4
isoclinismisoclinic class of #145372
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#2034
commutator, Frattini, cosocleC2×C4×C8C23
prime radical#532D4
LCSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ #2931 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 288 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:

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

Polycyclic presentation:

2^9|a^2=gi,c^2=dh,d^2=g,e^2=hi,f^2=gi,h^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=eh,f^a=fgi,h^a=hi,c^b=cf,d^b=dg,e^b=eg,f^b=fgi,d^c=di,e^c=eghi,f^c=fi,h^c=hi

Conjugacy classes & character table

50 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 52617);