Re: rnfinit error

[Igor Schein <igor@txc.com>]

On Wed, Aug 24, 2005 at 03:22:32PM -0400, Mak Trifkovic wrote:
> I do the following:
> 
> K=bnfinit(a^4 - 3*a^2 + 71);
> 
> L=rnfinit(K,x^5 + Mod(a - 1, a^4 - 3*a^2 + 71)*x^4 + Mod(2/5*a^2 + 2/5, 
> a^4 - 3*a^2 + 71)*x^3 + Mod(2/5*a^2 - 3/5, a^4 - 3*a^2 + 71)*x^2 + 
> Mod(1/5*a^3 - 1/5*a^2 - 4/5*a + 19/5, a^4 - 3*a^2 + 71)*x + Mod(-1/5*a^2 + 
> a - 11/5, a^4 - 3*a^2 + 71))
> 
> and get the error message
> 
>   *** rnfinit: reducible modulus in factornf.
> 
> What's wrong?  (both polynomials are irreducible)
> 
> Mak

Can you please provide output of \v?  I can't reproduce this problem
with either 2.1.5 or 2.2.10.  

Igor