arXiv:2502.01288 [math.NT]AbstractReferencesReviewsResources
On an unconditional $\rm GL_3$ analog of Selberg's result
Published 2025-02-03Version 1
Let $S_F(t)=\pi^{-1}\arg L(1/2+it, F)$, where $F$ is a Hecke--Maass cusp form for $\rm SL_3(\mathbb{Z})$ in the generic position with the spectral parameter $\nu_{F}=\big(\nu_{F,1},\nu_{F,2},\nu_{F,3}\big)$ and the Langlands parameter $\mu_{F}=\big(\mu_{F,1},\mu_{F,2},\mu_{F,3}\big)$. In this paper, we establish an unconditional asymptotic formula for the moments of $S_F(t)$. Previouly, such a formula was only known under the Generalized Riemann Hypothesis. The key ingredient is a weighted zero-density estimate in the spectral aspect for $L(s, F)$ which was recently proved by the authors in [18].
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