type(obj) = <class 'sage.modular.hecke.hecke_operator.HeckeAlgebraElement_matrix'>
version = 4.0.alpha0
obj =
'Hecke operator on Modular Forms space of dimension 3 for Congruence Subgroup Gamma0(7) of weight 4 over Rational Field defined by:
[2 3 0]
[1 2 3]
[7 8 9]'
