A Lie Symmetry Classification of a Nonlinear Fin Equation in Cylindrical Coordinates

Table 3

Commutation relations in Case  1.3.

[𝑋𝑖,𝑋𝑗]	𝑋1	𝑋2	𝑋3	𝑋4
𝑋1	0	0	0	𝑋2
𝑋2	0	0	0	−𝑋1
𝑋3	0	0	0	0
𝑋4	−𝑋2	𝑋1	0	0