Re: [sage-support] Cubic root in a finite field

2014-04-19 Thread John Cremona
On 19 April 2014 08:40, Irene wrote: > Hi! > I have the following: > p=371 > Fp2=GF(p^2, 'b') > > and I want to compute the cubic root of 344694*b + 1653339. > How can I do it? Because when I write (344694*b + 1653339)^(1/3) it gives me > as result 1, and the same for every element that I con

[sage-support] Cubic root in a finite field

2014-04-19 Thread Irene
Hi! I have the following: p=371 Fp2=GF(p^2, 'b') and I want to compute the cubic root of 344694*b + 1653339. How can I do it? Because when I write (344694*b + 1653339)^(1/3) it gives me as result 1, and the same for every element that I consider in Fp2, or for every exponent 1/n. -- You r