On Oct 23, 2008, at 4:51 AM, David Møller Hansen wrote:

>
> Is there a function for FiniteField_ext_pari objects that in the same
> way as "fetch_int" for the FiniteField_givaro objects can give me the
> field element representation of an integer?

I'm not seeing which fetch_int you're referring to for  
FiniteField_givaro objects, but you can do the same with

sage: K.<a> = GF(5^5)
sage: K.fetch_int(159)
a^3 + a^2 + a + 4
sage: sum([a^k*c for k, c in enumerate(159.digits(K.characteristic()))])
a^3 + a^2 + a + 4

- Robert


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