equation icon  { } mn,ab 3 mn,ab 1 mn,ab 2 mn,ab Q (k) = 2- T 1 (q,k) - k2T 8 (q,k) + k4T 12 (q,k) [ ( ) ]{ } 1 2 mn,ab 1 mn,ab 1 mn,ab - 1 - 360 q- -- T 4 (q,k) + -4-T12 (q,k) - -2T 13 (q,k) , (178) [ 6 k ] k ( 1)2 1 Qmn,ab(k) = 1 + 576 q - -- - 60(q - -)(1- 36q') 6 6 { } × Tm4n,ab(q,k) + 1-Tmn1,2ab(q,k) - -1-Tm1n3,ab(q,k) , (179) k4 k2