jacobiSym.at_neg_one

∀ {b : ℕ}, Odd b → jacobiSym (-1) b = ZMod.χ₄ ↑b

If b is odd, then J(-1 | b) is given by χ₄ b.

Defined in: Mathlib.NumberTheory.LegendreSymbol.JacobiSymbol
Cited by: 2 results in Mathlib
Foundations: Depth 148 from the axioms · uses propext, Classical.choice, Quot.sound

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