On ordinary primes for modular forms and the theta operator

On ordinary primes for modular forms and the theta operator
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by Masataka Chida and Masanobu Kaneko PDF

Proc. Amer. Math. Soc. 135 (2007), 1001-1005 Request permission

We give a criterion for a prime being ordinary for a modular form, by using the theta operator of Ramanujan.

References

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