# Tag modular function

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 T79: $q$-expansion of the $j$-invariant (1002 numbers) T80: $q$-expansion of the modular discriminant $\Delta$ (1001 numbers) T81: $q$-expansion of the Eisenstein series $E_4$ (1001 numbers) T82: $q$-expansion of the Eisenstein series $E_6$ (1001 numbers)