Cremona's table of elliptic curves

2196 = 2² · 3² · 61

Class	r	Atkin-Lehner	Eigenvalues
2196a (2 curves)	1	2- 3+ 61-	2- 3+  0  0  2 -2 -2 -4
Curve Equation t Generators 2196a1 [0,0,0,-540,-5103] 2 [54:351:1] 2196a2 [0,0,0,-8775,-316386] 2 [115:442:1]
2196b (2 curves)	1	2- 3+ 61-	2- 3+  0  0 -2 -2  2 -4
Curve Equation t Generators 2196b1 [0,0,0,-60,189] 2 [3:6:1] 2196b2 [0,0,0,-975,11718] 2 [6:78:1]
2196c (2 curves)	1	2- 3- 61+	2- 3-  2 -2  0 -6  0  0
Curve Equation t Generators 2196c1 [0,0,0,-264,-1235] 2 [35:180:1] 2196c2 [0,0,0,-1479,20878] 2 [14:54:1]
2196d (2 curves)	1	2- 3- 61+	2- 3- -2  2 -2 -2  2  4
Curve Equation t Generators 2196d1 [0,0,0,-156,-655] 2 [-8:9:1] 2196d2 [0,0,0,249,-3490] 2 [19:90:1]
2196e (1 curve)	0	2- 3- 61-	2- 3- -1 -5 -5  1  6 -2
Curve Equation t 2196e1 [0,0,0,-903,-10546] 1
2196f (1 curve)	0	2- 3- 61-	2- 3-  3 -3  1  1  2  2
Curve Equation t 2196f1 [0,0,0,9,-162] 1

Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

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