f <code>W</code> generated by the generating reflections of indices in <code>I</code>.</p><pre><code class="language-julia-repl hljs">julia&gt; longest(coxsym(4))
(1,4)(2,3)</code></pre></div><a class="docs-sourcelink" target="_blank" href="https://github.com/jmichel7/Chevie.jl/blob/fbddb048572eb9b42fb2c8f80113717339b328da/src/CoxGroups.jl#L814-L834">source</a></section></article><article class="docstring"><header><a class="docstring-binding" id="PermGroups.Groups.elements-Tuple{CoxeterGroup, Int64}" href="