Finite Group Databasebeta
Cayley diagram

#138624

order512
nilpotency class4
isoclinismisoclinic class of #12416
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#459
commutatorC4×C8C22×C4
Frattini, cosocleC2×C4×C8C23
socleC22#1879
prime radical#33579C2
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ C2×C82 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

387 conjugacy classes of subgroups; only the 98 normal subgroups are shown.

normal subgroups only

This group has 387 conjugacy classes of subgroups — too many to draw. Only its 98 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)(3,6)(7,8)(9,10,12,20,15,22,29,39,14,21,28,18,31,38,13,19)(11,23,24,37,27,36,25,16,26,34,30,17,32,33,40,35);(1,2,6,8,4,7,3,5)(9,11)(10,16,21,35)(12,25)(13,30)(14,26)(15,32)(17,22,37,38)(18,36,20,33)(19,23,39,34)(24,29)(27,31)(28,40);(9,11)(10,17)(12,25)(13,30)(14,26)(15,32)(16,22)(18,34)(19,36)(20,23)(21,37)(24,29)(27,31)(28,40)(33,39)(35,38)

Polycyclic presentation:

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

Conjugacy classes & character table

86 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 45820);