Finite Group Databasebeta
Cayley diagram

#138590

order512
nilpotency class4
isoclinismisoclinic class of #138564
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

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

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

normal subgroups only

This group has 339 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) = 256

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

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

Polycyclic presentation:

2^9|a^2=f,b^2=dfg,d^2=ghi,e^2=h,f^2=hi,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, 45786);