Re: [sage-devel] Possibly bug in factoring over Cyclotomic fields

2018-02-17 Thread Robert Pollack
Thanks David. I just reported the bug to PARI. Rob On Sat, Feb 17, 2018 at 10:04 AM, David Loeffler wrote: > This is a bug in PARI, rather than in Sage, apparently: > > GP/PARI CALCULATOR Version 2.9.4 (released) > > amd64 running linux (x86-64/GMP-6.1.0 kernel) 64-

[sage-devel] Possibly bug in factoring over Cyclotomic fields

2018-02-16 Thread robert . pollack
The following code crashes (in Sage 8.1 and on CoCalc): sage: K=CyclotomicField(20) sage: R.=PolynomialRing(K) sage: (x^4-1).factor() --- PariError Traceback (most recent call last) in () >

[sage-devel] Re: bug in cuspidal subspace of ModularSymbols with character over p-adic field

2015-10-20 Thread robert . pollack
But it's working otherwise! Meaning that if I don't pass to the cuspidal subspace, it appears to be correctly computing slopes. And it is so much faster than working over Q(zeta_11)... On Tuesday, October 20, 2015 at 2:33:59 PM UTC-4, robert@gmail.com wrote: > > The following code crashes

[sage-devel] bug in cuspidal subspace of ModularSymbols with character over p-adic field

2015-10-20 Thread robert . pollack
The following code crashes and asks me to report this as a bug: sage: Qp = pAdicField(11) sage: G = DirichletGroup(11,Qp) sage: omega = G.0 sage: M = ModularSymbols(omega^2,2) sage: M Modular Symbols space of dimension 2 and level 11, weight 2, character [4 + 7*11 + 9*11^2 + 5*11^3 + 2*11^4

[sage-devel] trouble installing 5.11

2014-07-09 Thread robert . pollack
I'm trying to help develop some code that a group is currently working on using sage 5.11, and so I need to get a copy of that version of sage on my laptop. There is no longer a binary file posted and so I need to install through the source code. I know little about how these things work, and