Finite Group Databasebeta
Cayley diagram

#145890

order512
nilpotency class4
isoclinismisoclinic class of #145864
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#2058
commutator, Frattini, cosocleC2×C4×C8C23
prime radicalC23#450
LCSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ #1770 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

262 conjugacy classes of subgroups; only the 80 normal subgroups are shown.

normal subgroups only

This group has 262 conjugacy classes of subgroups — too many to draw. Only its 80 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:

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

Polycyclic presentation:

2^9|a^2=d,b^2=dh,c^2=dg,e^2=g,f^2=h,g^2=i,b^a=bd,c^a=ce,e^a=eg,f^a=fhi,g^a=gi,c^b=cf,e^b=eh,f^b=fhi,d^c=di,e^c=eg,f^c=fh,g^c=gi

Conjugacy classes & character table

50 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 53086);