Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Maass Spezialschar of Level N   In this paper the image of the Saito-Kurokawa lift of level $N$ with
Dirichlet character is studied. We give a new characterization of this so
called Maass Spezialschar of level $N$ by symmetries involving Hecke operators
related to $\Gamma_0(N)$. We finally obtain for all prime numbers $p$ local
Maass relations. This generalizes known results for level $N=1$.

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The categories of this paper are: econ
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The categories of this paper are: acc-phys
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The categories of this paper are: atom-ph
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The categories of this paper are: comp-gas
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The categories of this paper are: cmp-lg
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The categories of this paper are: mtrl-th
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The categories of this paper are: astro-ph
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The categories of this paper are: alg-geom
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The categories of this paper are: dg-ga
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The categories of this paper are: adap-org
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The categories of this paper are: hep-ph
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The categories of this paper are: nucl-ex
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The categories of this paper are: physics
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The categories of this paper are: funct-an
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The categories of this paper are: eess
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The categories of this paper are: supr-con