+q = QN(("P",0,2),("Sz",0)).</code></pre></div><a class="docs-sourcelink" target="_blank" href="https://github.com/ITensor/ITensors.jl/blob/008465776be38b102e1859edb834ad10dcf1e0e2/src/lib/QuantumNumbers/src/qn.jl#L46-L59">source</a></section></article><article class="docstring"><header><a class="docstring-article-toggle-button fa-solid fa-chevron-down" href="javascript:;" title="Collapse docstring"></a><a class="docstring-binding" id="ITensors.QuantumNumbers.QN" href="#ITensors.QuantumNumbers.QN"><code>ITensors.QuantumNumbers.QN</code></a> — <span class="docstring-category">Type</span><span class="is-flex-grow-1 docstring-article-toggle-button" title="Collapse docstring"></span></header><section><div><pre><code class="language-julia hljs">QN(name,val::Int,modulus::Int=1)</code></pre><p>Construct a QN with a single named value by providing the name, value, and optional modulus.</p></div><a class="docs-sourcelink" target="_blank" href="https://github.com/ITensor/ITensors.jl/blob/008465776be38b102e1859edb834ad10dcf1e0e2/src/lib/QuantumNumbers/src/qn.jl#L75-L81">source</a></section></article><article class="docstring"><header><a class="docstring-article-toggle-button fa-solid fa-chevron-down" href="javascript:;" title="Collapse docstring"></a><a class="docstring-binding" id="ITensors.QuantumNumbers.QN" href="#ITensors.QuantumNumbers.QN"><code>ITensors.QuantumNumbers.QN</code></a> — <span class="docstring-category">Type</span><span class="is-flex-grow-1 docstring-article-toggle-button" title="Collapse docstring"></span></header><section><div><pre><code class="language-julia hljs">QN(val::Int,modulus::Int=1)</code></pre><p>Construct a QN with a single unnamed value (equivalent to the name being the empty string) with optional modulus.</p></div><a class="docs-sourcelink" target="_blank" href="https://github.com/ITensor/ITensors.jl/blob/008465776be38b102e1859edb834ad10dcf1e0e2/src/lib/QuantumNumbers/src/qn.jl#L84-L90">source</a></section></article><h2 id="Properties"><a class="docs-heading-anchor" href="#Properties">Properties</a><a id="Properties-1"></a><a class="docs-heading-anchor-permalink" href="#Properties" title="Permalink"></a></h2><article class="docstring"><header><a class="docstring-article-toggle-button fa-solid fa-chevron-down" href="javascript:;" title="Collapse docstring"></a><a class="docstring-binding" id="ITensors.val-Tuple{QN, Any}" href="#ITensors.val-Tuple{QN, Any}"><code>ITensors.val</code></a> — <span class="docstring-category">Method</span><span class="is-flex-grow-1 docstring-article-toggle-button" title="Collapse docstring"></span></header><section><div><pre><code class="language-julia hljs">val(q::QN,name)</code></pre><p>Get the value within the QN q corresponding to the string <code>name</code></p></div><a class="docs-sourcelink" target="_blank" href="https://github.com/ITensor/ITensors.jl/blob/008465776be38b102e1859edb834ad10dcf1e0e2/src/lib/QuantumNumbers/src/qn.jl#L117-L122">source</a></section></article><article class="docstring"><header><a class="docstring-article-toggle-button fa-solid fa-chevron-down" href="javascript:;" title="Collapse docstring"></a><a class="docstring-binding" id="ITensors.QuantumNumbers.modulus-Tuple{QN, Any}" href="#ITensors.QuantumNumbers.modulus-Tuple{QN, Any}"><code>ITensors.QuantumNumbers.modulus</code></a> — <span class="docstring-category">Method</span><span class="is-flex-grow-1 docstring-article-toggle-button" title="Collapse docstring"></span></header><section><div><pre><code class="language-julia hljs">modulus(q::QN,name)</code></pre><p>Get the modulus within the QN q corresponding to the string <code>name</code></p></div><a class="docs-sourcelink" target="_blank" href="https://github.com/ITensor/ITensors.jl/blob/008465776be38b102e1859edb834ad10dcf1e0e2/src/lib/QuantumNumbers/src/qn.jl#L131-L136">source</a></section></article><h2 id="Related-Functions"><a class="docs-heading-anchor" href="#Related-Functions">Related Functions</a><a id="Related-Functions-1"></a><a class="docs-heading-anchor-permalink" href="#Related-Functions" title="Permalink"></a></h2><article class="docstring"><header><a class="docstring-article-toggle-button fa-solid fa-chevron-down" href="javascript:;" title="Collapse docstring"></a><a class="docstring-binding" id="Base.zero-Tuple{QN}" href="#Base.zero-Tuple{QN}"><code>Base.zero</code></a> — <span class="docstring-category">Method</span><span class="is-flex-grow-1 docstring-article-toggle-button" title="Collapse docstring"></span></header><section><div><pre><code class="language-julia hljs">zero(q::QN)</code></pre><p>Returns a QN object containing the same names as q, but with all values set to zero.</p></div><a class="docs-sourcelink" target="_blank" href="https://github.com/ITensor/ITensors.jl/blob/008465776be38b102e1859edb834ad10dcf1e0e2/src/lib/QuantumNumbers/src/qn.jl#L145-L151">source</a></section></article></article><nav class="docs-footer"><a class="docs-footer-prevpage" href="ITensorType.html">« ITensor</a><a class="docs-footer-nextpage" href="faq/Development.html">ITensor Development FAQs »</a><div class="flexbox-break"></div><p class="footer-message">Powered by <a href="https://github.com/JuliaDocs/Documenter.jl">Documenter.jl</a> and the <a href="https://julialang.org/">Julia Programming Language</a>.</p></nav></div><div class="modal" id="documenter-settings"><div class="modal-background"></div><div class="modal-card"><header class="modal-card-head"><p class="modal-card-title">Settings</p><button class="delete"></button></header><section class="modal-card-body"><p><label class="label">Theme</label><div class="select"><select id="documenter-themepicker"><option 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