For any prime p ≥ 7, by using Baker’s method we obtain two explicit bounds in terms of p for the j-invariant of an integral point on X+ns(p) which is the modular curve of level p corresponding to the normalizer of a non-split Cartan subgroup of GL2(ℤ/pℤ).
|Number of pages||16|
|Journal||Proceedings of the American Mathematical Society|
|Publication status||Published - 1 Oct 2014|
- Baker’s method
- Modular curves
- Non-split cartan