Finite Group Databasebeta
Cayley diagram

#29357

order256
nilpotency class3
isoclinismisoclinic class of #24384
automorphismAut(G) order 65536
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socle, prime radicalC23C22×D4
commutator, Frattini, cosocleC22×C4C24
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C43 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

337 conjugacy classes of subgroups; only the 123 normal subgroups are shown.

normal subgroups only

This group has 337 conjugacy classes of subgroups — too many to draw. Only its 123 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) = 256

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

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

Polycyclic presentation:

2^8|a^2=fgh,b^2=gh,c^2=g,d^2=eh,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#286775, #286776, #286777, …
maximal normal subgroup of#286775, #286776, #286777, …
maximal quotient of#362894, #363830, #368593, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 22345);