#13687: Parents for groups
--------------------------------+-------------------------------------------
       Reporter:  vbraun        |         Owner:  joyner    
           Type:  enhancement   |        Status:  needs_work
       Priority:  major         |     Milestone:  sage-5.5  
      Component:  group theory  |    Resolution:            
       Keywords:  new Parent    |   Work issues:            
Report Upstream:  N/A           |     Reviewers:  David Roe 
        Authors:  Volker Braun  |     Merged in:            
   Dependencies:                |      Stopgaps:            
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Comment (by vbraun):

 1. The 0's were prepended, I just kept that behavior. I think its more in
 line with the mathematical expectation of writing a group as free+torsion
 instead of the other way round. Also, the `gens_orders` are not the
 abelian invariants.

 5. I still haven't figured out what `invs()` is for, I'll just delete it
 ;-)

 I agree with the rest. Most of it is just stuff that was already there and
 I didn't fix...

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13687#comment:6>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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