Igor Schein on Sat, 19 Jul 2003 02:27:07 -0400


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Re: polgalois() bug


On Fri, Jul 04, 2003 at 09:47:08PM +0200, Karim BELABAS wrote:
> On Thu, 26 Jun 2003, Igor Schein wrote:
> > some time ago Galois group notation slightly changed.  It's probably
> > due to this fact that I am seeing this incorrect result in CVS and
> > several previous alpha releases:
> >
> > ? polgalois(x^6-9*x^4+18*x^2-6)==polgalois(x^6-3*x^4+3)
> > 1
> 
> Indeed a typo  [ confusion between group order and degree of defining
> polynomial ].

Still problems:

? polgalois(x^6+3)
[6, -1, 1]

This is wrong, should be [6, -1, 2]

Thanks

Igor