# # file: 6dim-sl2-heisenberg.gap (split from lielib.gap) # created: pasha jan 6 2005 # modified: # modification: # # 6-dimensional Lie algebra (semidrect product of sl(2) and Heisenerg), # as described by Rutwig; structure tensor # C_{12}^{2}=2, C_{13}^{3}=-2, C_{23}^{1}=1, C_{14}^{4}=-C_{15}^{5}=1, # C_{25}^{4}=1, C_{34}^{5}=1, C_{45}^{6}=1 T := EmptySCTable (6, 0, "antisymmetric"); SetEntrySCTable (T, 1, 2, [ 2, 2]); SetEntrySCTable (T, 1, 3, [-2, 3]); SetEntrySCTable (T, 2, 3, [ 1, 1]); SetEntrySCTable (T, 1, 4, [ 1, 4]); SetEntrySCTable (T, 1, 5, [-1, 5]); SetEntrySCTable (T, 2, 5, [ 1, 4]); SetEntrySCTable (T, 3, 4, [ 1, 5]); SetEntrySCTable (T, 4, 5, [ 1, 6]); SemiSl2Heisenberg := LieAlgebraByStructureConstants (GroundField, T); Unbind (T); # end of 6dim-sl2-heisenberg.gap