Classical modular curve: Difference between revisions

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m OEIS as reference: use {{Cite OEIS}} (via WP:JWB)
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== External links ==
*Sequence {{OEIS2CCite OEIS|1=A001617}}|2=Genus inof themodular [[OEIS]]:group GenusGamma_0(n). Or, genus of {{math|''X''<sub>0</sub>modular curve X_0(''n'')}}
*[http://www.math.uwaterloo.ca/~mrubinst/modularpolynomials/phi_l.html] Coefficients of {{math|''X''<sub>0</sub>(''n'')}}