Finite Group Databasebeta
Cayley diagram

#128943

order512
nilpotency class4
isoclinismisoclinic class of #128836
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1762
commutatorC2×C8C2×C42
Frattini, cosocleC2×C4×C8C23
prime radicalC22×D8C2×C4
LCSG ▷ C2×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ C4×#97 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

406 conjugacy classes of subgroups; only the 116 normal subgroups are shown.

normal subgroups only

This group has 406 conjugacy classes of subgroups — too many to draw. Only its 116 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) = 64

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

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

Polycyclic presentation:

2^9|a^2=e,b^2=f,c^2=e,d^2=g,f^2=ghi,g^2=i,h^2=i,b^a=bd,d^a=dg,f^a=fgh,g^a=gi,h^a=hi,c^b=ch,d^b=dh,e^b=ei,g^b=gi,h^b=hi,d^c=di

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, 36139);