?? diamond and shurman make it sound like that "system of eigenvalues ... (??of hecke operators ??? ... ???? ...)" stuff is supposed to be some (ill-explained ...) general prescription for getting l-series (?? ...) from "automorphic representation", somehow specializing in certain (?? "modular" ??? ....) case to ... ?? fourier series of modular form ??? .... ???? ...

??? "fourier series of automorphic form" ???? ..... ???? .... ??? .... ??? higher dimension .... ??? ....