Finite Group Databasebeta
Cayley diagram

#12156

order256
nilpotency class4
isoclinismisoclinic class of #12155
automorphismAut(G) order 4096
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22B(4,𝔽2)
commutator, Frattini, cosocleC2×C4⋊C4C23
LCSG ▷ C2×C4⋊C4 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23 ◁ C2×C4⋊C4 ◁ G
LECSG ▷ C2×C4⋊C4 ▷ C23 ▷ C2 ▷ C1

242 conjugacy classes of subgroups; only the 37 normal subgroups are shown.

normal subgroups only

This group has 242 conjugacy classes of subgroups — too many to draw. Only its 37 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)(11,17)(12,20)(13,16)(14,19)(15,21)(18,23)(22,24);(2,5)(3,8)(6,7)(11,18)(14,22)(15,20)(19,24);(9,11)(10,14,16,22)(12,19)(13,18)(15,17,20,23)(21,24)

Polycyclic presentation:

2^8|c^2=gh,d^2=f,e^2=h,b^a=bd,c^a=ce,d^a=df,e^a=eh,g^a=gh,c^b=ch,d^b=df,e^b=egh,d^c=dg,e^d=eh

Conjugacy classes & character table

25 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#151162, #151163, #151248, …
maximal normal subgroup of#151162, #151163, #151248, …
maximal quotient of#123155, #123156, #123157, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 5144);