Finite Group Databasebeta
Cayley diagram

#138720

order512
nilpotency class4
isoclinismisoclinic class of #12416
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#459
commutatorC4×C8C22×C4
Frattini, cosocleC2×C4×C8C23
socleC22#1879
prime radicalC2×#135D4
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ C42×C8 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

408 conjugacy classes of subgroups; only the 82 normal subgroups are shown.

normal subgroups only

This group has 408 conjugacy classes of subgroups — too many to draw. Only its 82 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)(9,10,14,20,15,21,13,19,16,22,30,38,23,33,31,39)(11,18,24,17,25,34,29,35,26,37,32,36,28,40,12,27);(2,6,8,7)(9,11,23,25,16,26,15,28)(10,17,33,35,22,36,21,27)(12,13,24,14,29,31,32,30)(18,19,34,20,37,39,40,38);(9,12)(10,18)(11,13)(14,25)(15,32)(16,29)(17,19)(20,35)(21,40)(22,37)(23,24)(26,31)(27,38)(28,30)(33,34)(36,39)

Polycyclic presentation:

2^9|a^2=f,b^2=dfh,d^2=ghi,e^2=hi,f^2=gh,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, 45916);