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Yang's conjecture on the cuspidal rational torsion of $J_1(p^n)$
Yang's conjecture. Assume that $p$ is a regular prime. Then the $p$ -rank of $\mathscr C_1^\infty(p^n)$ is
Conjectureopenarithmetic-geometry cuspidal-torsion modular-curvesarXiv posted 3 days ago

Yang's conjecture on the cuspidal rational torsion of J1(pn)J_1(p^n)J1​(pn)