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ON THE HECKE ALGEBRA OF A NONCONGRUENCE SUBGROUP
Published online by Cambridge University Press: 01 July 1997
Abstract
Let Γ⊂SL2(ℤ) be a subgroup of finite index, and let [Hscr ] denote the Hecke algebra of Γ. The aim of this note is to give some information about the action of [Hscr ] on spaces of modular forms for certain noncongruence subgroups Γ, which can be deduced from the geometric results of [9].
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- © The London Mathematical Society 1997
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