Finite Group Databasebeta
Cayley diagram

#143950

order512
nilpotency class4
isoclinismisoclinic class of #143949
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#2011
commutator, Frattini, cosocleC2×C4×C8C23
prime radical#19616C2
LCSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ C2×#322 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

447 conjugacy classes of subgroups; only the 84 normal subgroups are shown.

normal subgroups only

This group has 447 conjugacy classes of subgroups — too many to draw. Only its 84 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) = 256

A minimal faithful permutation representation — 3 generators on 40 points:

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

Polycyclic presentation:

2^9|b^2=i,d^2=gi,e^2=h,f^2=gi,g^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=eh,f^a=fgi,g^a=gi,c^b=cf,d^b=dg,e^b=ei,f^b=fg,g^b=gi,d^c=dgi,e^c=eh,f^c=fg,g^c=gi

Conjugacy classes & character table

50 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 51146);