Finite Group Databasebeta
Cayley diagram

#138654

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

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1893
commutatorC4×C8C22×C4
Frattini, cosocleC2×C4×C8C23
prime radical#19187C2
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ #2931 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 399 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:

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

Polycyclic presentation:

2^9|a^2=f,b^2=dfgh,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, 45850);