Cremona's table of elliptic curves

30380 = 2² · 5 · 7² · 31

Class	r	Atkin-Lehner	Eigenvalues
30380a (2 curves)	1	2- 5+ 7- 31+	2- -1 5+ 7- -3  1  3 -2
Curve Equation t Generators 30380a1 [0,-1,0,-13981,-1805719] 1 [775:21266:1] 30380a2 [0,-1,0,123219,43415401] 1 [46660:1459759:64]
30380b (2 curves)	0	2- 5+ 7- 31-	2-  0 5+ 7- -4  4  0  0
Curve Equation t 30380b1 [0,0,0,-51548,-4503247] 2 30380b2 [0,0,0,-59143,-3089058] 2
30380c (1 curve)	0	2- 5+ 7- 31-	2-  3 5+ 7-  2 -2  3  3
Curve Equation t 30380c1 [0,0,0,392,-1372] 1
30380d (2 curves)	0	2- 5- 7- 31+	2- -1 5- 7-  0 -2  3  7
Curve Equation t 30380d1 [0,-1,0,-4965,-133055] 1 30380d2 [0,-1,0,2875,-507023] 1

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

Part of Computational Number Theory
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