misc 2
system:sage

{{{id=0|
E = EllipticCurve('389a')
}}}

{{{id=1|
E.sha_an()
///
1.00000000000000
}}}

{{{id=2|
time E.sha_an_padic(5, prec=3)
///
1 + O(5^2)
CPU time: 0.73 s,  Wall time: 0.90 s
}}}

{{{id=3|
time E.sha_an_padic(7)
///
1 + O(7)
CPU time: 0.51 s,  Wall time: 0.66 s
}}}

{{{id=4|
time E.sha_an_padic(23)
///
1 + O(23)
CPU time: 2.28 s,  Wall time: 2.59 s
}}}

{{{id=5|
time E.sha_an_padic(97)
}}}