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Cusp Forms Like Δ

Published online by Cambridge University Press:  20 November 2018

C. J. Cummins
C. J. Cummins*
Affiliation:
Department of Mathematics and Statistics, Concordia University, Montréal, QC, H3G 1M8 e-mail: [email protected]
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Abstract

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Let $f$ be a square-free integer and denote by ${{\Gamma }_{0}}{{\left( f \right)}^{+}}$ the normalizer of ${{\Gamma }_{0}}\left( f \right)$ in $\text{SL}\left( 2,\,\mathbb{R} \right)$. We find the analogues of the cusp form $\Delta$ for the groups ${{\Gamma }_{0}}{{\left( f \right)}^{+}}$.

Keywords

11F0311F2230F35
Type
Research Article
Information
Canadian Mathematical Bulletin , Volume 52 , Issue 1 , 01 March 2009 , pp. 53 - 62
Copyright
Copyright © Canadian Mathematical Society 2009

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