Finite Group Databasebeta
Cayley diagram

#134459

order512
nilpotency class4
isoclinismisoclinic class of #124850
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#410
commutatorC2×C42C22×C4
Frattini, cosocleC2×#117C23
socleC22#1799
prime radicalC24C22⋊Q8
LCSG ▷ C2×C42 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×C8 ◁ C2×#405 ◁ G
LECSG ▷ C2×#117 ▷ C23 ▷ C2 ▷ C1

375 conjugacy classes of subgroups; only the 98 normal subgroups are shown.

normal subgroups only

This group has 375 conjugacy classes of subgroups — too many to draw. Only its 98 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:

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

Polycyclic presentation:

2^9|a^2=f,b^2=d,c^2=g,d^2=i,e^2=hi,f^2=i,b^a=bd,c^a=ce,d^a=di,e^a=eg,g^a=gi,c^b=ci,e^c=eh,f^c=fghi,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, 41655);