Using Katsurada’s determination of the Eisenstein series to compute Siegel eigenforms
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- by Oliver D. King, Cris Poor, Jerry Shurman and David S. Yuen PDF
- Math. Comp. 87 (2018), 879-892 Request permission
Abstract:
We compute Hecke eigenform bases of spaces of level one, degree three Siegel modular forms and $2$-Euler factors of the eigenforms through weight $22$. Our method uses the Fourier coefficients of Siegel Eisenstein series, which are fully known and computationally tractable by the work of H. Katsurada; we also use P. Garrett’s decomposition of the pullback of the Eisenstein series through the Witt map. Our results support I. Miyawaki’s conjectural lift, and they give examples of eigenforms that are congruence neighbors.References
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Additional Information
- Oliver D. King
- Affiliation: Department of Mathematics, University of California, Berkeley, California 94720
- Address at time of publication: Department of Neurology, University of Massachusetts Medical School, Worcester, Massachusetts 01655
- MR Author ID: 685320
- Email: Oliver.King@umassmed.edu
- Cris Poor
- Affiliation: Department of Mathematics, Fordham University, Bronx, New York 10458
- MR Author ID: 291737
- Email: poor@fordham.edu
- Jerry Shurman
- Affiliation: Department of Mathematics, Reed College, Portland, Oregon 97202
- MR Author ID: 364614
- Email: jerry@reed.edu
- David S. Yuen
- Affiliation: Department of Mathematics and Computer Science, Lake Forest College, 555 N. Sheridan Road, Lake Forest, Illinois 60045
- Address at time of publication: Department of Mathematics, University of Hawaii, 2565 McCarthy Mall, Honolulu, Hawaii 96822
- MR Author ID: 270719
- Email: yuen@lakeforest.edu
- Received by editor(s): March 18, 2016
- Received by editor(s) in revised form: August 31, 2016, and September 16, 2016
- Published electronically: May 1, 2017
- © Copyright 2017 American Mathematical Society
- Journal: Math. Comp. 87 (2018), 879-892
- MSC (2010): Primary 11F46; Secondary 11F30
- DOI: https://doi.org/10.1090/mcom/3218
- MathSciNet review: 3739221