Finite Group Databasebeta
Cayley diagram

#145142

order512
nilpotency class4
isoclinismisoclinic class of #145131
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#2033
commutator, Frattini, cosocleC2×C4×C8C23
prime radical#532D4
LCSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ #2931 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

332 conjugacy classes of subgroups; only the 78 normal subgroups are shown.

normal subgroups only

This group has 332 conjugacy classes of subgroups — too many to draw. Only its 78 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)(3,5)(4,6)(7,8)(9,10)(11,20)(12,25)(13,19)(14,30)(15,18)(16,22)(17,32)(21,31)(23,36)(24,26)(27,29)(28,35)(33,34)(37,39)(38,40);(2,5)(6,7)(9,11,15,24)(10,16,18,35)(12,26,19,20)(13,28,25,22)(14,31,32,33)(17,36,30,38)(21,37,34,27)(23,39,40,29);(2,6)(4,8)(5,7)(9,12,25,10,15,19,13,18)(11,21,28,38,24,34,22,36)(14,30,39,27,32,17,29,37)(16,33,26,40,35,31,20,23)

Polycyclic presentation:

2^9|b^2=i,c^2=dg,d^2=i,e^2=g,f^2=hi,h^2=i,b^a=bd,c^a=ce,d^a=di,e^a=eg,f^a=fi,c^b=cf,d^b=di,e^b=ei,f^b=fh,h^b=hi,e^c=egi,f^c=fhi,h^c=hi

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, 52338);