Formula:8062

Digital Library of Mathematical Functions ID 23.19.E2

${\displaystyle{\displaystyle J\left(\tau\right)=\frac{4}{27}\frac{\left(1-\lambda\left(\tau\right)+{\lambda^{2}}\left(\tau\right)\right)^{3}}{\left(\lambda\left(\tau\right)\left(1-\lambda\left(\tau\right)\right)\right)^{2}},}}$

Symbols List

• ${\displaystyle{\displaystyle J\left(\NVar{\tau}\right)}}$: Klein’s complete invariant
• ${\displaystyle{\displaystyle\lambda\left(\NVar{\tau}\right)}}$: elliptic modular function
• ${\displaystyle{\displaystyle\tau}}$: complex variable
 

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