Finite Group Databasebeta
Cayley diagram

#135927

order512
nilpotency class4
isoclinismisoclinic class of #13307
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#447
commutatorC22×C8C22×C4
Frattini, cosocleC2×C4×C8C23
socleC22#1862
prime radicalC2×#135C2×C4
LCSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ #1450 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

291 conjugacy classes of subgroups; only the 94 normal subgroups are shown.

normal subgroups only

This group has 291 conjugacy classes of subgroups — too many to draw. Only its 94 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:

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

Polycyclic presentation:

2^9|a^2=f,b^2=fi,d^2=gi,e^2=g,f^2=h,g^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=egi,g^a=gi,c^b=ch,d^b=dg,e^b=egi,g^b=gi,d^c=dgi,e^c=egi,g^c=gi

Conjugacy classes & character table

80 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 43123);