Finite Group Databasebeta
Cayley diagram

#13439

order256
nilpotency class4
isoclinismisoclinic class of #13313
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#466
commutator, Frattini, cosocleC22×C8C23
prime radicalC22×D16C2
LCSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ #405 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

209 conjugacy classes of subgroups; only the 55 normal subgroups are shown.

normal subgroups only

This group has 209 conjugacy classes of subgroups — too many to draw. Only its 55 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) = 36
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 3 generators on 36 points:

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

Polycyclic presentation:

2^8|c^2=d,d^2=gh,e^2=gh,f^2=gh,g^2=h,b^a=bd,c^a=ce,d^a=dg,e^a=eg,f^a=fg,g^a=gh,c^b=cf,d^b=dg,e^b=eg,f^b=fg,g^b=gh,e^c=eh,f^c=fh

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#93814, #93816, #151288, …
maximal normal subgroup of#93814, #93816, #151288, …
maximal quotient of#145359, #145391, #145450, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 6427);