Cremona's table of elliptic curves

19880 = 2³ · 5 · 7 · 71

Class	r	Atkin-Lehner	Eigenvalues
19880a (1 curve)	1	2+ 5+ 7+ 71+	2+ -3 5+ 7+  5  5  3 -4
Curve Equation t Generators 19880a1 [0,0,0,-15508,743332] 1 [62:142:1]
19880b (1 curve)	0	2+ 5+ 7+ 71-	2+  2 5+ 7+  3 -5 -4 -1
Curve Equation t 19880b1 [0,-1,0,-56,140] 1
19880c (4 curves)	0	2+ 5- 7+ 71+	2+  0 5- 7+ -4  2  6 -4
Curve Equation t 19880c1 [0,0,0,2158,-20151] 2 19880c2 [0,0,0,-9847,-171414] 4 19880c3 [0,0,0,-132347,-18521914] 2 19880c4 [0,0,0,-79427,8498254] 4
19880d (1 curve)	1	2+ 5- 7- 71+	2+  0 5- 7-  1 -2  2 -5
Curve Equation t Generators 19880d1 [0,0,0,-3827,-98786] 1 [159:1820:1]
19880e (1 curve)	1	2+ 5- 7- 71+	2+  1 5- 7- -3  1  3 -2
Curve Equation t Generators 19880e1 [0,1,0,-3225,-107125] 1 [295:4970:1]
19880f (1 curve)	0	2- 5+ 7+ 71+	2-  1 5+ 7+  1  5  3 -8
Curve Equation t 19880f1 [0,1,0,3639,-70645] 1
19880g (2 curves)	1	2- 5+ 7+ 71-	2-  2 5+ 7+ -4  4  0 -2
Curve Equation t Generators 19880g1 [0,-1,0,-36,740] 2 [8:30:1] 19880g2 [0,-1,0,-1456,21756] 2 [-42:84:1]
19880h (1 curve)	1	2- 5+ 7- 71+	2-  0 5+ 7- -5 -1  6 -1
Curve Equation t Generators 19880h1 [0,0,0,-8123,-281738] 1 [-414:49:8]
19880i (1 curve)	1	2- 5+ 7- 71+	2-  1 5+ 7-  1  1  2 -4
Curve Equation t Generators 19880i1 [0,1,0,-4816,127120] 1 [-48:500:1]
19880j (1 curve)	0	2- 5- 7+ 71-	2-  3 5- 7+  3  5 -6  4
Curve Equation t 19880j1 [0,0,0,53,86] 1

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

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