Finite Group Databasebeta
Cayley diagram

#136251

order512
nilpotency class4
isoclinismisoclinic class of #12148
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4B(4,𝔽2)
commutatorC2×C22⋊C4C22×C4
Frattini, cosocleC2×#117C23
socleC22#1867
prime radicalC24C4×D4
LCSG ▷ C2×C22⋊C4 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×C4 ◁ C2×#117 ◁ G
LECSG ▷ C2×#117 ▷ C23 ▷ C2 ▷ C1

346 conjugacy classes of subgroups; only the 80 normal subgroups are shown.

normal subgroups only

This group has 346 conjugacy classes of subgroups — too many to draw. Only its 80 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:

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

Polycyclic presentation:

2^9|a^2=f,b^2=fg,c^2=h,d^2=g,e^2=gi,f^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=egi,h^a=hi,c^b=ci,d^b=dg,e^b=ehi,d^c=dh,e^c=eg,e^d=ei

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, 43447);