Ramanujan-Eisenstein Series

Let be a discriminant,

(1)

			(2)
			(3)
			(4)

References

Borwein, J. M. and Borwein, P. B. ``Class Number Three Ramanujan Type Series for .'' J. Comput. Appl. Math. 46, 281-290, 1993.

Ramanujan, S. ``Modular Equations and Approximations to .'' Quart. J. Pure Appl. Math. 45, 350-372, 1913-1914.

• Class (Group)
• Classical Groups
• Classification
• Classification Theorem
• Class Interval
• Class (Map)
• Class (Multiply Perfect Number)
• Class Number
• Class Number Formula
• Class Representative
• Class (Set)
• Clausen Formula
• Clausen Function
• Clausen's Integral
• CLEAN Algorithm
• CLEAN Beam
• CLEAN Map
• Clebsch-Aronhold Notation
• Clebsch Diagonal Cubic
• Clebsch-Gordan Coefficient
• Clement Matrix
• Clenshaw Recurrence Formula
• Clifford Algebra
• Clifford's Circle Theorem
• Clifford's Curve Theorem