Finite Group Databasebeta
Cayley diagram

#138589

order512
nilpotency class4
isoclinismisoclinic class of #138564
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1893
commutatorC4×C8C22×C4
Frattini, cosocleC2×C4×C8C23
prime radical#532D4
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ #2931 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

343 conjugacy classes of subgroups; only the 96 normal subgroups are shown.

normal subgroups only

This group has 343 conjugacy classes of subgroups — too many to draw. Only its 96 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:

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

Polycyclic presentation:

2^9|a^2=f,b^2=dfgi,d^2=ghi,e^2=h,f^2=h,g^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=ei,g^a=gi,d^b=dh,e^b=ehi,f^b=fh,d^c=dhi,e^c=eh,f^c=fhi

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, 45785);