Finite Group Databasebeta
Cayley diagram

#145194

order512
nilpotency class4
isoclinismisoclinic class of #145147
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#2034
commutator, Frattini, cosocleC2×C4×C8C23
prime radicalC22×D8D4
LCSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ #2960 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

312 conjugacy classes of subgroups; only the 76 normal subgroups are shown.

normal subgroups only

This group has 312 conjugacy classes of subgroups — too many to draw. Only its 76 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:

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

Polycyclic presentation:

2^9|a^2=g,c^2=dh,d^2=i,e^2=g,f^2=hi,h^2=i,b^a=bd,c^a=ce,d^a=di,e^a=eg,c^b=cf,d^b=di,e^b=ei,f^b=fh,h^b=hi,d^c=di,e^c=egi,f^c=fh,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, 52390);