Finite Group Databasebeta
Cayley diagram

#29196

order256
nilpotency class3
isoclinismisoclinic class of #24384
automorphismAut(G) order 32768
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

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

normal subgroups only

This group has 345 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) = 256

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

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

Polycyclic presentation:

2^8|a^2=egh,b^2=g,c^2=f,d^2=e,f^2=h,b^a=be,c^a=cf,d^a=de,f^a=fh,c^b=cg,d^c=dh

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#260755, #260756, #260767, …
maximal normal subgroup of#260755, #260756, #260767, …
maximal quotient of#362182, #363449, #365559, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 22184);