11E45 Analytic theory (Epstein zeta functions; relations with automorphic forms and functions)

11E57 Classical groups [See also <a href="#code:14Lxx">14Lxx</a>, <a href="#code:20Gxx">20Gxx</a>]

11E70 $K$-theory of quadratic and Hermitian forms

11E72 Galois cohomology of linear algebraic groups [See also <a href="#code:20G10">20G10</a>]

11E81 Algebraic theory of quadratic forms; Witt groups and rings [See also <a href="#code:19G12">19G12</a>, <a href="#code:19G24">19G24</a>]

11E88 Quadratic spaces; Clifford algebras [See also <a href="#code:15A63">15A63</a>, <a href="#code:15A66">15A66</a>]

11E99 None of the above, but in this section

11Fxx Discontinuous groups and automorphic forms [See also <a href="#code:11R39">11R39</a>, <a href="#code:11S37">11S37</a>, <a href="#code:14Gxx">14Gxx</a>, <a href="#code:14Kxx">14Kxx</a>, <a href="#code:22E50">22E50</a>, <a href="#code:22E55">22E55</a>, <a href="#code:30F35">30F35</a>, <a href="#code:32Nxx">32Nxx</a>] {For relations with quadratic forms, see <a href="#code:11E45">11E45</a>}

11F06 Structure of modular groups and generalizations; arithmetic groups [See also <a href="#code:20H05">20H05</a>, <a href="#code:20H10">20H10</a>, <a href="#code:22E40">22E40</a>]

11F11 Holomorphic modular forms of integral weight

11F20 Dedekind eta function, Dedekind sums

11F22 Relationship to Lie algebras and finite simple groups

11F23 Relations with algebraic geometry and topology

11F25 Hecke-Petersson operators, differential operators (one variable)

11F27 Theta series; Weil representation; theta correspondences

11F30 Fourier coefficients of automorphic forms

11F33 Congruences for modular and $p$-adic modular forms [See also <a href="#code:14G20">14G20</a>, <a href="#code:22E50">22E50</a>]

11F37 Forms of half-integer weight; nonholomorphic modular forms

11F41 Automorphic forms on ${\rm GL}(2)$; Hilbert and Hilbert-Siegel modular groups and their modular and automorphic forms; Hilbert modular surfaces [See also <a href="#code:14J20">14J20</a>]

11F46 Siegel modular groups; Siegel and Hilbert-Siegel modular and automorphic forms