Finite Group Databasebeta
Cayley diagram

#25414

order256
nilpotency class3
isoclinismisoclinic class of #24264
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC22×C4C24
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C4×C22⋊C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

619 conjugacy classes of subgroups; only the 143 normal subgroups are shown.

normal subgroups only

This group has 619 conjugacy classes of subgroups — too many to draw. Only its 143 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) = 128

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#502153, #502158, #502164, …
maximal normal subgroup of#502153, #502158, #502164, …
maximal quotient of#288031, #288037, #288043, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 18402);