Just FYI, I 
asked http://ask.sagemath.org/question/2540/defining-dirichlet-series a 
while ago and have wanted to know the answer to a very similar question for 
several years :) in case someone does know how to do it.


On Sunday, June 30, 2013 9:37:47 AM UTC-4, John Cremona wrote:
>
> I think that the code described in that tutorial was under development 
> at that Sage Days, but has never been completed.  I hope that someone 
> who worked on it can give more information, but certainly even in Sage 
> version 5.10 (the latest release) search_src("LSeries") reveals 
> nothing relevant. 
>
> John Cremona 
>
> On 30 June 2013 00:47, Adrián Barquero <[email protected] <javascript:>> 
> wrote: 
> > Dear All, 
> > 
> > I was trying to define Dirichlet L-functions in SAGE, and while looking 
> > online for how to actually do it, I found the following tutorial from 
> SAGE 
> > Days 33 
> > 
> > http://wiki.sagemath.org/days33/lfunction/tutorial 
> > 
> > In that tutorial it is described how to define different types of 
> L-series, 
> > for example Dedekind zeta functions, Dirichlet L-functions and 
> L-functions 
> > of Elliptic Curves by using the method LSeries(). 
> > 
> > Nevertheless, when I try to run the method, for example to define the 
> > Dirichlet L-function attached to some Dirichlet character, I get the 
> error 
> > message 
> > 
> > NameError: name 'LSeries' is not defined 
> > 
> > Thus, I would like to ask if you can help me identify what it is that 
> I'm 
> > doing wrong, or how to define Dirichlet L-functions in SAGE. 
> > 
> > PS: The version of SAGE that I have installed in my computer is Version 
> > 5.3-OSX-64bit-10.6  (5.3-OSX-64bit-10.6), but I also tried running the 
> same 
> > code online and it didn't work either. 
> > 
> > Thank you very much for your help. 
> > 
> > 
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>

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