Finite Group Databasebeta
Cayley diagram

#7747

order256
nilpotency class3
isoclinismisoclinic class of #7734
automorphismAut(G) order 4096
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23#120
commutator, Frattini, cosocleC2×C42C23
prime radicalC2×#127C22
LCSG ▷ C2×C42 ▷ C23 ▷ C1
UCSC1 ◁ C23 ◁ C2×C42 ◁ G
LECSG ▷ C2×C42 ▷ C23 ▷ C1

246 conjugacy classes of subgroups; only the 49 normal subgroups are shown.

normal subgroups only

This group has 246 conjugacy classes of subgroups — too many to draw. Only its 49 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) = 128

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

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

Polycyclic presentation:

2^8|b^2=fgh,c^2=f,d^2=f,e^2=h,b^a=bd,c^a=ce,d^a=df,e^a=eh,d^b=df,e^b=eg,d^c=dg,e^c=eh

Conjugacy classes & character table

37 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#7747, #165779, #165789, …
maximal normal subgroup ofC2×#7747, #165779, #165789, …
maximal quotient of#97544, #99377, #99379, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 735);