:term:`DMRG_WFN_IRREP <DMRG_WFN_IRREP (DMRG)>`
""""""""""""""""""""""""""""""""""""""""""""""

      The DMRG wavefunction irrep uses the same conventions as PSI4. How convenient :-). Just to avoid confusion, it's copied here. It can also be found on http://sebwouters.github.io/CheMPS2/classCheMPS2_1_1Irreps.html . Symmetry Conventions Irrep Number & Name Group Number & Name 0 	1 	2 	3 	4 	5 	6 	7 0: c1 A 1: ci Ag 	Au 2: c2 A 	B 3: cs A' 	A'' 4: d2 A 	B1 	B2 	B3 5: c2v A1 	A2 	B1 	B2 6: c2h Ag 	Bg 	Au 	Bu 7: d2h Ag 	B1g 	B2g 	B3g 	Au 	B1u 	B2u 	B3u

      * **Type**: integer
      * **Default**: -1

