Finite Group Databasebeta
Cayley diagram

#28217

order256
nilpotency class3
isoclinismisoclinic class of #24278
automorphismAut(G) order 16384
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#121
commutator, Frattini, cosocleC22×C4C24
prime radicalC22×D8C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

361 conjugacy classes of subgroups; only the 117 normal subgroups are shown.

normal subgroups only

This group has 361 conjugacy classes of subgroups — too many to draw. Only its 117 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) = 64

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#139678, #139680, #143110, …
maximal normal subgroup of#139678, #139680, #143110, …
maximal quotient of#317531, #317532, #317537, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 21205);