[GAP Forum] Error using ConjugacyClassesSubgroups on S14

Jason Ives jasonives1993 at hotmail.com
Mon Jul 27 16:58:03 BST 2015


 GAP, Version 4.7.8 of 09-Jun-2015 (free software, GPL)
 
gap> ConjugacyClassesSubgroups(SymmetricGroup(14));
 
Error, no method found! For debugging hints type ?Recovery from NoMethodFound
Error, no 1st choice method found for `LengthsTom' on 1 arguments called from
LengthsTom( recog[2] ) called from
TomDataSubgroupsAlmostSimple( G ) called from
LatticeSubgroups( G ) called from
ConjugacyClassesSubgroups( gold[1] ) called from
SubgroupsTrivialFitting( G ) called from
...  at line 1 of *stdin*
you can 'quit;' to quit to outer loop, or
you can 'return;' to continue
 
brk> Where(10);
 
LengthsTom( recog[2] ) called from
TomDataSubgroupsAlmostSimple( G ) called from
LatticeSubgroups( G ) called from
ConjugacyClassesSubgroups( gold[1] ) called from
SubgroupsTrivialFitting( G ) called from
LatticeSubgroups( G ) called from
<function "unknown">( <arguments> )
 called from read-eval loop at line 1 of *errin*

It works for n<14, but seems to error for 14 and above. Is this a known issue?
 
I realize the computation may take time and memory, but 75154 classes for 14 should be manageable, no?
 
Or is there a better way to get a representative of every permutation group for a given degree?

 		 	   		  


More information about the Forum mailing list