Finite Group Databasebeta
Cayley diagram

#11691

order256
nilpotency class4
isoclinismisoclinic class of #1343
automorphismAut(G) order 4096
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#99
commutatorC22×C4C22×C4
Frattini, cosocleC2×C22⋊C4C23
socleC22C2×#99
prime radical#392C22
LCSG ▷ C22×C4 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×C4 ◁ C2×#117 ◁ G
LECSG ▷ C2×C22⋊C4 ▷ C23 ▷ C2 ▷ C1

276 conjugacy classes of subgroups; only the 63 normal subgroups are shown.

normal subgroups only

This group has 276 conjugacy classes of subgroups — too many to draw. Only its 63 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) = 32

A minimal faithful permutation representation — 3 generators on 24 points:

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

Polycyclic presentation:

2^8|a^2=e,c^2=h,d^2=g,b^a=bd,d^a=df,f^a=fh,d^b=dg,e^b=efg,e^d=eh

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#128767, #128768, #128802, …
maximal normal subgroup of#128767, #128768, #128802, …
maximal quotient of#122536, #122539, #122542, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 4679);