Finite Group Databasebeta
Cayley diagram

#145046

order512
nilpotency class4
isoclinismisoclinic class of #145024
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#2034
commutator, Frattini, cosocleC2×C4×C8C23
prime radicalC23#450
LCSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ C2×#446 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 321 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:

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

Polycyclic presentation:

2^9|a^2=i,b^2=g,c^2=d,d^2=i,e^2=gi,f^2=h,g^2=i,b^a=bd,c^a=ce,d^a=di,e^a=eg,f^a=fh,g^a=gi,c^b=cf,e^b=eh,f^b=fhi,e^c=egi,f^c=fh,g^c=gi

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, 52242);