Finite Group Databasebeta
Cayley diagram

#23391

order256
nilpotency class3
isoclinismisoclinic class of #23391
automorphismAut(G) order 65536
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC22×C4C24
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C24×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

1257 conjugacy classes of subgroups; only the 195 normal subgroups are shown.

normal subgroups only

This group has 1257 conjugacy classes of subgroups — too many to draw. Only its 195 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 — 4 generators on 16 points:

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

Polycyclic presentation:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#393967, #393968, #393969, …
maximal normal subgroup of#393967, #393968, #393969, …
maximal quotient of#232939, #232940, #232941, …
outer automorphism group of#1453

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 16379);