Parity conjecture for β4N\beta_{-4N} and β4\beta_{-4} when N1(mod4)N\equiv 1\pmod{4}

Let NN be a prime congruent to 11 modulo 44, and let β4N\beta_{-4N} and β4\beta_{-4} be the associated integers. Parity-matching conjecture. If

N1(mod4),N\equiv 1\pmod{4},

then β4N\beta_{-4N} and β4\beta_{-4} have the same parity.

The claim is suggested by the numerical data in the cited table. No proof or disproof is supplied in the text.

Sources & referencesView supporting material

Primary source

Carlos Castano-Bernard, “On the 2-divisibility of certain Heenger points”, arXiv:math/0512628 (2005).

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