Finite Group Databasebeta
Cayley diagram

#137040

order512
nilpotency class4
isoclinismisoclinic class of #136906
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#3169C22
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ #1451 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 329 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:

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

Polycyclic presentation:

2^9|a^2=f,b^2=dfgi,c^2=i,d^2=g,e^2=h,f^2=hi,g^2=i,h^2=i,b^a=bd,c^a=ce,d^a=di,e^a=ei,d^b=dg,e^b=eh,f^b=fg,g^b=gi,h^b=hi,d^c=dh,e^c=ehi,f^c=fh,g^c=gi,h^c=hi

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72287310, #72287327, #72287353, …
maximal normal subgroup of#72287310, #72287327, #72287353, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 44236);