Finite Group Databasebeta
Cayley diagram

#138727

order512
nilpotency class4
isoclinismisoclinic class of #138611
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1879
commutatorC4×C8C22×C4
Frattini, cosocleC2×C4×C8C23
prime radical#33666C2
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ #1726 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 400 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) = 128

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

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

Polycyclic presentation:

2^9|a^2=f,b^2=dfhi,d^2=ghi,e^2=h,f^2=gh,h^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=ei,d^b=dh,e^b=eh,f^b=fh,h^b=hi,d^c=dh,e^c=ehi,f^c=fh,h^c=hi

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 45923);