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I was told of a relation between the number of fixed points of the Atkin-Lehner involution and the class number of certain number fields. Can someone point me to a reference where I could learn about it? (I am not very familiar with CM theory so I need something that doesn't use CM theory results don't want a one-line proof without stating them would be good)further explanation). Thanks. |
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Atkin-Lehner involution and class numberI was told of a relation between the number of fixed points of the Atkin-Lehner involution and the class number of certain number fields. Can someone point me to a reference where I could learn about it? (I am not very familiar with CM theory so I need something that doesn't use CM theory results without stating them would be good). Thanks.
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