Function: mfcusps
Section: modular_forms
C-Name: mfcusps
Prototype: G
Help: mfcusps(N): list of cusps of G_0(N) in the form a/b with b dividing N.
 N can be either an integer or a modular form space.
Doc: list of cusps of $\Gamma_0(N)$ in the form $a/b$ with $b\mid N$.
 $N$ can be either an integer of a modular form space.
 \bprog
 ? mfcusps(24)
 %1 = [0, 1/2, 1/3, 1/4, 1/6, 1/8, 1/12, 1/24]
 @eprog

