Finite Group Databasebeta
Cayley diagram

#13375

order256
nilpotency class4
isoclinismisoclinic class of #13343
automorphismAut(G) order 4096
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22B(4,𝔽2)
commutator, Frattini, cosocleC22×D4C23
prime radicalC2×H(5,𝔽2)C22
LCSG ▷ C22×D4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23 ◁ C22×D4 ◁ G
LECSG ▷ C22×D4 ▷ C22 ▷ C2 ▷ C1

352 conjugacy classes of subgroups; only the 45 normal subgroups are shown.

normal subgroups only

This group has 352 conjugacy classes of subgroups — too many to draw. Only its 45 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) = 16
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 3 generators on 16 points:

(1,2,4,6)(3,7,8,5)(10,13)(14,16);(1,3,4,8)(2,5,6,7)(11,15);(9,10)(11,13)(12,14)(15,16)

Polycyclic presentation:

2^8|a^2=d,b^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#151369, #151370, #151383, …
maximal normal subgroup of#151369, #151370, #151383, …
maximal quotient of#144432, #144435, #144439, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 6363);