Finite Group Databasebeta
Cayley diagram

#28253

order256
nilpotency class3
isoclinismisoclinic class of #23918
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC22×C4C24
prime radicalC2×#459C2
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C43 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

566 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 16
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 16 points:

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

Polycyclic presentation:

2^8|b^2=egh,d^2=e,f^2=h,b^a=be,c^a=cf,d^a=de,f^a=fh,c^b=cg,f^c=fh

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#258299, #258300, #258311, …
maximal normal subgroup of#258299, #258300, #258311, …
maximal quotient of#317890, #317891, #317892, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 21241);