Finite Group Databasebeta
Cayley diagram

#138712

order512
nilpotency class4
isoclinismisoclinic class of #138694
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1879
commutatorC4×C8C22×C4
Frattini, cosocleC2×C4×C8C23
prime radical#33580C2
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ #1450 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

376 conjugacy classes of subgroups; only the 88 normal subgroups are shown.

normal subgroups only

This group has 376 conjugacy classes of subgroups — too many to draw. Only its 88 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)(3,6)(7,8)(9,10,12,18,14,20,29,35,13,19,28,17,30,37,27,16)(11,21,23,39,25,36,26,15,22,32,24,34,31,38,40,33);(1,2,6,8,4,7,3,5)(9,11)(10,15,19,33)(12,26)(13,22)(14,31)(16,21,35,32)(17,36,18,38)(20,39,37,34)(23,29)(24,27)(25,30)(28,40);(2,7)(5,8)(10,16)(11,22)(12,27)(14,30)(15,32)(17,20)(18,37)(19,35)(21,33)(23,26)(24,40)(28,29)(34,36)(38,39)

Polycyclic presentation:

2^9|a^2=f,b^2=dfgh,d^2=ghi,e^2=h,f^2=h,h^2=i,b^a=bd,c^a=ce,d^a=dg,c^b=cg,d^b=dh,e^b=ehi,f^b=fh,h^b=hi,d^c=dhi,e^c=ehi,f^c=fhi,h^c=hi

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 45908);