Lag -91 - -86 241.102 241.101 241.100 241.099 241.098 241.096 ... Note that the expressions within parentheses are polynomials either in B or in BL. ...
The purely seasonal auto-regressive-moving-average model ARMA(P,Q) with period S ... Auto-correlations are non-zero only at lags S, 2S, 3S, ... In addition: ...