Finite Group Databasebeta
Cayley diagram

#135299

order512
nilpotency class4
isoclinismisoclinic class of #124940
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1519
commutatorC22×C8C22×C4
Frattini, cosocleC22×M16C23
prime radicalC22×#41D4
LCSG ▷ C22×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C22×#131 ◁ G
LECSG ▷ C22×M16 ▷ C2×C4 ▷ C2 ▷ C1

526 conjugacy classes of subgroups; only the 92 normal subgroups are shown.

normal subgroups only

This group has 526 conjugacy classes of subgroups — too many to draw. Only its 92 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)(3,6)(4,5)(7,8)(9,10,13,20,15,18,14,21)(11,22,24,33,25,16,28,32)(12,17,26,35,27,34,29,19)(23,36,39,37,40,30,38,31);(2,5)(6,8)(9,11,15,25)(10,16,18,22)(12,23,27,40)(13,28,14,24)(17,30,34,36)(19,31,35,37)(20,33,21,32)(26,38,29,39);(1,3,4,7)(2,6,5,8)(10,17,18,34)(12,26)(13,14)(16,30,22,36)(19,20,35,21)(23,38)(24,28)(27,29)(31,33,37,32)(39,40)

Polycyclic presentation:

2^9|a^2=f,b^2=i,c^2=d,e^2=h,f^2=i,g^2=i,h^2=i,b^a=bd,c^a=ce,d^a=di,e^a=eg,h^a=hi,f^b=fi,e^c=eh,f^c=fgh,g^c=gi,h^c=hi,f^e=fi

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, 42495);