Finite Group Databasebeta
Cayley diagram

#138725

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 radicalC23#447
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ C42×C8 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

424 conjugacy classes of subgroups; only the 90 normal subgroups are shown.

normal subgroups only

This group has 424 conjugacy classes of subgroups — too many to draw. Only its 90 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)(9,10,13,19,29,38,27,16,15,21,12,18,14,20,30,34)(11,22,24,40,32,37,28,36,26,33,23,35,25,39,31,17);(2,6,8,7)(10,16)(12,27)(13,30)(14,29)(17,33)(18,20)(19,38)(21,34)(22,36)(23,28)(24,31)(25,32)(35,39)(37,40);(9,11,15,26)(10,17,21,36)(12,28,13,31)(14,32,29,25)(16,33,34,22)(18,37,19,39)(20,40,38,35)(23,30,24,27)

Polycyclic presentation:

2^9|a^2=f,b^2=dfhi,c^2=i,d^2=ghi,e^2=hi,f^2=ghi,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, 45921);