Finite Group Databasebeta
Cayley diagram

#135654

order512
nilpotency class4
isoclinismisoclinic class of #12019
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C2×#106
commutatorC2×C8C22×C8
Frattini, cosocleC2×C4×C8C23
socleC22C2×#334
prime radicalC23C2×#108
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C4×C8 ◁ C42×C8 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

240 conjugacy classes of subgroups; only the 134 normal subgroups are shown.

normal subgroups only

This group has 240 conjugacy classes of subgroups — too many to draw. Only its 134 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)(9,10,13,19,15,20,30,36,16,21,29,18,14,32,12,28)(11,22,24,33,26,37,23,34,27,35,31,40,25,39,38,17);(2,5)(6,8)(9,11,12,23,14,25,29,24,16,27,30,38,15,26,13,31)(10,17,18,22,20,33,28,37,21,34,19,35,32,40,36,39);(1,3,4,7)(2,6,5,8)(9,11,12,23,14,25,29,24,16,27,30,38,15,26,13,31)(10,17,18,22,20,33,28,37,21,34,19,35,32,40,36,39)

Polycyclic presentation:

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

Conjugacy classes & character table

104 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 42850);