CoxGroups.longest"><code>Chevie.CoxGroups.longest</code></a> ‚Äî <span class="docstring-category">Function</span></header><section><div><p><code>longest(W)</code></p><p>If  <code>W</code> is  finite, returns  the unique  element of  maximal length  of the Coxeter group <code>W</code>. May loop infinitely otherwise.</p><pre><code class="language-julia-repl hljs">julia&gt; longest(coxsym(4))
(1,4)(2,3)</code></pre><p><code>longest(W,I)</code></p><p>returns  the longest element of the  parabolic subgroup o