Finite Group Databasebeta
Cayley diagram

#94095

order512
nilpotency class5
isoclinismisoclinic class of #1402
automorphism?
homologyAbelianization (H1) = C4×C8 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4AΣL(1,𝔽16)
commutatorC2×D4C4×C8
Frattini, cosocleC2×#408C22
socleC22#1326
prime radicalC22×#41C2×C4
LCSG ▷ C2×D4 ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×C4 ◁ C23×C4 ◁ C2×#408 ◁ G
LECSG ▷ C2×#408 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1

364 conjugacy classes of subgroups; only the 66 normal subgroups are shown.

normal subgroups only

This group has 364 conjugacy classes of subgroups — too many to draw. Only its 66 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) = 68
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 2 generators on 68 points:

(5,6,9,15,11,17,33,46,12,18,34,47,10,16,32,45)(7,19,21,48,23,50,30,61,24,51,57,64,22,49,56,68)(8,25,26,58,28,14,40,41,29,42,31,62,27,43,60,67)(13,35,36,55,38,63,65,53,39,59,66,20,37,52,44,54);(1,2,3,4)(5,7,10,22,12,24,11,23)(6,13,16,37,18,39,17,38)(8,20,27,53,29,55,28,54)(9,30,32,21,34,56,33,57)(14,19,25,49,43,51,42,50)(15,44,45,66,47,65,46,36)(26,59,60,63,31,35,40,52)(41,61,58,48,67,68,62,64)

Polycyclic presentation:

2^9|a^2=d,b^2=e,d^2=g,e^2=i,f^2=i,g^2=i,b^a=bc,c^a=cf,f^a=fh,h^a=hi,d^b=dfi,f^b=fi,h^b=hi,d^c=dhi,f^c=fi,f^d=fi

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, 1291);