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The database contains information about Bianchi modular forms over several imaginary quadratic fields including all nine fields of class number $1$, for a range of levels.

Browse Bianchi modular forms

Browse newforms by base field: \(\Q(\sqrt{-1})\), \(\Q(\sqrt{-2})\), \(\Q(\sqrt{-3})\), \(\Q(\sqrt{-7})\), \(\Q(\sqrt{-11})\)

Browse newform spaces by base field:

Find a specific form or space by label

e.g. (single form) or (space of forms at a level)

Examples of base change forms

A random Bianchi modular form from the database