Finite Group Databasebeta
Cayley diagram

#137020

order512
nilpotency class4
isoclinismisoclinic class of #12324
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#447
commutatorC4×C8C22×C4
Frattini, cosocleC2×C4×C8C23
socleC22#1879
prime radicalC2×#135D4
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ #1451 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 330 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) = 128

A minimal faithful permutation representation — 3 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=f,b^2=dfgi,c^2=i,d^2=gi,e^2=h,f^2=h,g^2=i,h^2=i,b^a=bd,c^a=ce,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

62 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 44216);