or <code>u‚àà  W.w</code> which happens when <code>w</code> is  a Coxeter automorphism of <code>W</code> or  when <code>w</code> lives in a Coxeter overgroup of <code>W</code>.</p><pre><code class="language-julia-repl hljs">julia&gt; W=coxgroup(:G,2)
G‚ÇÇ

julia&gt; H=reflection_subgroup(W,[2,6])
G‚ÇÇ‚Çç‚ÇÇ‚ÇÜ‚Çé=AÃÉ‚ÇÅ√óA‚ÇÅ

julia&gt; word.(Ref(W),unique(reduced.(Ref(H),elements(W))))
3-element Vector{Vector{Int64}}:
 []
 [1]
 [1, 2]</code></pre></div><a class="doc