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Sign changes of Hecke eigenvalues of Siegel cusp forms of degree $ 2$


Authors: Ameya Pitale and Ralf Schmidt
Journal: Proc. Amer. Math. Soc. 136 (2008), 3831-3838
MSC (2000): Primary 11F46
DOI: https://doi.org/10.1090/S0002-9939-08-09364-7
Published electronically: June 2, 2008
MathSciNet review: 2425722
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Abstract: Let $ \mu(n)$, $ n>0$, be the sequence of Hecke eigenvalues of a cuspidal Siegel eigenform $ F$ of degree $ 2$. It is proved that if $ F$ is not in the Maaß space, then there exist infinitely many primes $ p$ for which the sequence $ \mu(p^r)$, $ r>0$, has infinitely many sign changes.


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Additional Information

Ameya Pitale
Affiliation: Department of Mathematics, University of Oklahoma, Norman, Oklahoma 73019
Email: ameya@math.ou.edu

Ralf Schmidt
Affiliation: Department of Mathematics, University of Oklahoma, Norman, Oklahoma 73019
Email: rschmidt@math.ou.edu

DOI: https://doi.org/10.1090/S0002-9939-08-09364-7
Received by editor(s): May 15, 2007
Received by editor(s) in revised form: October 2, 2007
Published electronically: June 2, 2008
Communicated by: Ken Ono
Article copyright: © Copyright 2008 American Mathematical Society
The copyright for this article reverts to public domain 28 years after publication.

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