Finite Group Databasebeta
Cayley diagram

#13463

order256
nilpotency class4
isoclinismisoclinic class of #13343
automorphismAut(G) order 4096
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22B(4,𝔽2)
commutator, Frattini, prime radical, cosocleC22×D4C23
LCSG ▷ C22×D4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23 ◁ C22×D4 ◁ G
LECSG ▷ C22×D4 ▷ C22 ▷ C2 ▷ C1

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

normal subgroups only

This group has 242 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) = 32

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

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

Polycyclic presentation:

2^8|a^2=dh,b^2=dh,c^2=d,b^a=bd,c^a=ce,f^a=fgh,c^b=cf,e^b=eg,g^c=gh,f^e=fh

Conjugacy classes & character table

31 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#151402, #151403, #151412, …
maximal normal subgroup of#151402, #151403, #151412, …
maximal quotient of#145776, #145778, #145792, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 6451);