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Fungrim entry: 42a909

j ⁣(1τ)=j(τ)j\!\left(-\frac{1}{\tau}\right) = j(\tau)
Assumptions:τH\tau \in \mathbb{H}
TeX:
j\!\left(-\frac{1}{\tau}\right) = j(\tau)

\tau \in \mathbb{H}
Definitions:
Fungrim symbol Notation Short description
ModularJj(τ)j(\tau) Modular j-invariant
HHH\mathbb{H} Upper complex half-plane
Source code for this entry:
Entry(ID("42a909"),
    Formula(Equal(ModularJ(Neg(Div(1, tau))), ModularJ(tau))),
    Variables(tau),
    Assumptions(Element(tau, HH)))

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2021-03-15 19:12:00.328586 UTC