Cremona's table of elliptic curves

20336 = 2⁴ · 31 · 41

Class	r	Atkin-Lehner	Eigenvalues
20336a (2 curves)	1	2+ 31- 41-	2+  2 -2  4 -2  4  4 -8
Curve Equation t Generators 20336a1 [0,-1,0,-44,224] 2 [84:280:27] 20336a2 [0,-1,0,-864,10064] 2 [8:60:1]
20336b (2 curves)	1	2- 31+ 41-	2-  0  2 -2  4 -4 -4  2
Curve Equation t Generators 20336b1 [0,0,0,-179,690] 2 [-7:40:1] 20336b2 [0,0,0,-2659,52770] 2 [55:270:1]
20336c (2 curves)	1	2- 31- 41+	2- -2  2  0 -6  0 -2  0
Curve Equation t Generators 20336c1 [0,1,0,6448,1427860] 2 [-44:1030:1] 20336c2 [0,1,0,-157392,22858132] 2 [162:1280:1]

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

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