Finite Group Databasebeta
Cayley diagram

#512358

order512
nilpotency class4
isoclinismisoclinic class of #511893
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#3109
commutator, Frattini, cosocleC22×C8C24
prime radicalC24AGL(1,ℤ/8)
LCSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×#405 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

495 conjugacy classes of subgroups; only the 156 normal subgroups are shown.

normal subgroups only

This group has 495 conjugacy classes of subgroups — too many to draw. Only its 156 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 — 4 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=eh,b^2=efi,d^2=eh,e^2=i,g^2=hi,h^2=i,b^a=be,c^a=cf,d^a=dg,e^a=ei,g^a=gh,h^a=hi,g^b=gi,g^c=gi,e^d=ei,f^d=fi,g^d=gh,h^d=hi

Conjugacy classes & character table

62 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 419554);