Finite Group Databasebeta
Cayley diagram

#29146

order256
nilpotency class3
isoclinismisoclinic class of #24384
automorphismAut(G) order 65536
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C23×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC22×C4C24
prime radicalC22×D4C23
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C43 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

371 conjugacy classes of subgroups; only the 127 normal subgroups are shown.

normal subgroups only

This group has 371 conjugacy classes of subgroups — too many to draw. Only its 127 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) = 128

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

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

Polycyclic presentation:

2^8|a^2=efg,b^2=egh,d^2=e,f^2=h,b^a=be,c^a=cf,d^a=deh,c^b=cg,f^c=fh

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#100914, #100915, #150532, …
maximal normal subgroup of#100914, #100915, #150532, …
maximal quotient of#326514, #326526, #326527, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 22134);