Partial root number murmurations for elliptic curves

Let (N,Q)(\mathcal N,\mathcal Q) be an arithmetically compatible sequence of pairs (N,Q)(N,Q) of Type I. Let E\mathcal E be the set of rational newforms lying in S2(N)S_2(N) for some NNN\in\mathcal N. For the corresponding smoothed averages A~EQ,δ(,X;β)\tilde A^{\mathcal Q,\delta}_{\mathcal E}(\ell,X;\beta), Partial root number murmurations for elliptic curves. For some δ<1\delta<1, these averages have murmurations scale invariant in /N\ell/N. The numerical examples concern squarefree conductors of the form N=2QN=2Q and suggest that smoothing reveals murmurations comparable to those obtained after weighting by global root numbers, but the source does not state a limiting function or convergence assertion here.

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Primary source

Kimball Martin, “Distribution of local signs of modular forms and murmurations of Fourier coefficients”, arXiv:2409.02338 (2025).

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