M² θ	10	12	14	16	18
0	−1.44135	−1.34654	−1.26628	−1.19759	−1.13816
p/6	−1.51182	−1.41843	−1.33823	−1.26878	−1.20814
p/4	−1.59681	−1.50722	−1.42879	−1.35979	−1.29872
p/3	−1.70268	−1.62177	−1.54924	−1.48399	−1.42509
p/2	−1.84046	−1.77956	−1.72449	−1.67437	−1.62848