newform

From new- +‎ form.

• new-form

newform (third-person singular simple present newforms, present participle newforming, simple past and past participle newformed)

1. (obsolete, transitive) To form or shape anew; reform.

• newformed

From new +‎ form.

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newform

Wikipedia

newform (plural newforms)

1. (mathematics, number theory) A cusp form that is "new" at a given level N, where the levels are the nested subgroups Γ₀(N) of the modular group, with N ordered by divisibility.