Cremona's table of elliptic curves

1380 = 2² · 3 · 5 · 23

Class	r	Atkin-Lehner	Eigenvalues
1380a (2 curves)	0	2- 3+ 5+ 23+	2- 3+ 5+  0  0 -6  2  6
Curve Equation t 1380a1 [0,-1,0,-21,-30] 2 1380a2 [0,-1,0,4,-120] 2
1380b (1 curve)	0	2- 3+ 5+ 23+	2- 3+ 5+ -5  0  4 -3 -4
Curve Equation t 1380b1 [0,-1,0,766939,112645761] 1
1380c (2 curves)	1	2- 3- 5+ 23+	2- 3- 5+ -1  0 -4 -3 -4
Curve Equation t Generators 1380c1 [0,1,0,59,-121] 3 [2:3:1] 1380c2 [0,1,0,-1381,-20425] 1 [50:195:1]
1380d (4 curves)	0	2- 3- 5- 23+	2- 3- 5- -4  0  2  6  2
Curve Equation t 1380d1 [0,1,0,-165,-612] 6 1380d2 [0,1,0,460,-3612] 6 1380d3 [0,1,0,-12165,-520512] 2 1380d4 [0,1,0,-12140,-522732] 2
1380e (1 curve)	1	2- 3- 5- 23-	2- 3- 5- -3 -2 -2 -7 -6
Curve Equation t Generators 1380e1 [0,1,0,-845,12975] 1 [85:-750:1]

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

Part of Computational Number Theory
Back to Tables and computations