Finite Group Databasebeta
Cayley diagram

#18393

order256
nilpotency class3
isoclinismisoclinic class of #18376
automorphismAut(G) order 4096
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#120
commutator, Frattini, cosocleC22×C4C24
prime radical#534C22
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C22×C4 ▷ C22 ▷ C1

455 conjugacy classes of subgroups; only the 113 normal subgroups are shown.

normal subgroups only

This group has 455 conjugacy classes of subgroups — too many to draw. Only its 113 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) = 32
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 32 points:

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

Polycyclic presentation:

2^8|a^2=h,d^2=h,e^2=g,b^a=be,c^a=cf,d^a=dgh,e^a=eg,d^b=dg,e^b=eg,f^b=fh,e^c=eh

Conjugacy classes & character table

43 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#486100, #486102, #486110, …
maximal normal subgroup of#486100, #486102, #486110, …
maximal quotient of#169647, #169648, #169711, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 11381);