Finite Group Databasebeta
Cayley diagram

#138735

order512
nilpotency class4
isoclinismisoclinic class of #138616
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 ◁ #1726 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

414 conjugacy classes of subgroups; only the 80 normal subgroups are shown.

normal subgroups only

This group has 414 conjugacy classes of subgroups — too many to draw. Only its 80 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)(9,10,12,18,29,33,13,19,15,21,30,34,14,20,27,16)(11,22,23,17,31,35,28,39,26,38,40,37,25,32,24,36);(2,6,8,7)(10,16)(12,27)(13,30)(14,29)(17,32)(18,20)(19,21)(22,36)(23,24)(25,31)(28,40)(33,34)(35,37)(38,39);(9,11,15,26)(10,17,21,37)(12,28,30,24)(13,23,27,40)(14,31,29,25)(16,32,19,35)(18,38,34,22)(20,39,33,36)

Polycyclic presentation:

2^9|a^2=f,b^2=dfh,c^2=i,d^2=ghi,e^2=h,f^2=ghi,h^2=i,b^a=bd,c^a=ce,d^a=dg,d^b=dh,e^b=ehi,f^b=fh,h^b=hi,d^c=dhi,e^c=ehi,f^c=fhi,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, 45931);