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<div class="ChapSects"><a href="chap5.html#X82C56A367A418E7C">5 <span class="Heading">Service functions of the <strong class="pkg">Congruence</strong> package</span></a>
<div class="ContSect"><span class="tocline"><span class="nocss"> </span><a href="chap5.html#X86D04EE08437C320">5.1 <span class="Heading">Additional information displayed by <strong class="pkg">Congruence</strong> algorithms</span></a>
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<span class="ContSS"><br /><span class="nocss">  </span><a href="chap5.html#X83B2A8607C2E6A38">5.1-1 InfoCongruence</a></span>
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<h3>5 <span class="Heading">Service functions of the <strong class="pkg">Congruence</strong> package</span></h3>

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<h4>5.1 <span class="Heading">Additional information displayed by <strong class="pkg">Congruence</strong> algorithms</span></h4>

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<h5>5.1-1 InfoCongruence</h5>

<div class="func"><table class="func" width="100%"><tr><td class="tdleft"><code class="func">&#an style='color: green'>8227; InfoCongruence</code></td><td class="tdright">( info class )</td></tr></table></div>
<p><code class="code">InfoCongruence</code> is a special Info class for <strong class="pkg">Congruence</strong> algorithms. It has 3 levels: 0, 1 (default) and 2. To change the info level to <code class="code">k</code>, use the command <code class="code">SetInfoLevel(InfoCongruence, k)</code>.</p>

<p>In the example below we use this mechanism to see more details during the Farey symbol construction for a congruence subgroup.</p>


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