A Note on the Newman-Unti Group and the BMS Charge Algebra in Terms of Newman-Penrose Coefficients

Table 1

Spin and conformal weights.

	𝜎^0	𝜎̇^0	Ψ^04	Ψ^03	Ψ^02	Ψ^01	𝒴	𝑇
𝑠	2	2	−2	−1	0	1	−1	0
𝑤	−1	−2	−3	−3	−3	−3	1	1