Genus 2 Jacobians with (3,3) level structure

by Nils Bruin, E. Victor Flynn, Damiano Testa

See below some electronic resources accompanying the article ...

• equations.m Nearly all formulas relevant to the article, in a format that (perhaps with minor editing) can be read by most computer algebra software. This file is 360Kb and contains some extremely long lines.
• descent.m Magma program that, given r,s,t, computes the selmer groups for the (3,3)-isogeny and the dual.