Finite Group Databasebeta
Cayley diagram

#28798

order256
nilpotency class3
isoclinismisoclinic class of #24269
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C23

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 ◁ C4×C4⋊C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

325 conjugacy classes of subgroups; only the 139 normal subgroups are shown.

normal subgroups only

This group has 325 conjugacy classes of subgroups — too many to draw. Only its 139 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) = 24
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 4 generators on 24 points:

(1,2)(3,7)(4,5)(6,8)(9,10,12,14)(11,15,16,13)(17,18,20,21)(19,23,24,22);(2,5)(6,7)(17,19,21,23,20,24,18,22);(9,11,12,16)(10,13,14,15)(17,19)(18,23)(20,24)(21,22);(1,3,4,8)(2,6,5,7)

Polycyclic presentation:

2^8|a^2=fh,b^2=g,c^2=f,d^2=eh,g^2=h,b^a=be,c^a=cf,d^a=deh,c^b=cg,g^c=gh

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#305903, #305904, #305911, …
maximal normal subgroup of#305903, #305904, #305911, …
maximal quotient of#362173, #363810, #367521, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 21786);