Finite Group Databasebeta
Cayley diagram

#111228

order512
nilpotency class3
isoclinismisoclinic class of #111226
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1438
commutatorC2×C42C22×C4
Frattini, cosocleC22×C42C23
prime radicalC24#120
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C22×C42 ◁ G
LECSG ▷ C22×C42 ▷ C22 ▷ C1

880 conjugacy classes of subgroups; only the 146 normal subgroups are shown.

normal subgroups only

This group has 880 conjugacy classes of subgroups — too many to draw. Only its 146 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 18424);