Cremona's table of elliptic curves

23940 = 2² · 3² · 5 · 7 · 19

Class	r	Atkin-Lehner	Eigenvalues
23940a (2 curves)	2	2- 3+ 5+ 7+ 19+	2- 3+ 5+ 7+ -4 -6 -2 19+
Curve Equation t Generators 23940a1 [0,0,0,-108,793] 2 [6:-19:1]&[-6:35:1] 23940a2 [0,0,0,-2103,37102] 2 [-49:150:1]&[-1:198:1]
23940b (4 curves)	0	2- 3+ 5+ 7- 19-	2- 3+ 5+ 7-  0  2  6 19-
Curve Equation t 23940b1 [0,0,0,-47988,4053313] 6 23940b2 [0,0,0,-768183,259146382] 6 23940b3 [0,0,0,81972,20054277] 2 23940b4 [0,0,0,-797823,238067478] 2
23940c (2 curves)	0	2- 3+ 5+ 7- 19-	2- 3+ 5+ 7-  6  2  0 19-
Curve Equation t 23940c1 [0,0,0,-888,10372] 3 23940c2 [0,0,0,3672,46548] 1
23940d (2 curves)	1	2- 3+ 5- 7+ 19+	2- 3+ 5- 7+  4 -6  2 19+
Curve Equation t Generators 23940d1 [0,0,0,-972,-21411] 2 [115:1178:1] 23940d2 [0,0,0,-18927,-1001754] 2 [1298:3565:8]
23940e (4 curves)	1	2- 3+ 5- 7- 19-	2- 3+ 5- 7-  0  2 -6 19-
Curve Equation t Generators 23940e1 [0,0,0,9108,-742751] 6 [78:665:1] 23940e2 [0,0,0,-88647,-8817314] 6 [-130:714:1] 23940e3 [0,0,0,-431892,-109439451] 2 [9474:257985:8] 23940e4 [0,0,0,-6913647,-6996952314] 2 [914262:42967925:216]
23940f (2 curves)	1	2- 3+ 5- 7- 19-	2- 3+ 5- 7- -6  2  0 19-
Curve Equation t Generators 23940f1 [0,0,0,408,-1724] 3 [5:21:1] 23940f2 [0,0,0,-7992,-280044] 1 [165:1701:1]
23940g (2 curves)	1	2- 3- 5+ 7+ 19+	2- 3- 5+ 7+  0 -2 -2 19+
Curve Equation t Generators 23940g1 [0,0,0,-48,-803] 2 [39:238:1] 23940g2 [0,0,0,-1623,-25058] 2 [402:1139:8]
23940h (1 curve)	1	2- 3- 5+ 7+ 19+	2- 3- 5+ 7+  2  0  1 19+
Curve Equation t Generators 23940h1 [0,0,0,-17463,-907058] 1 [16653:403154:27]
23940i (1 curve)	1	2- 3- 5+ 7+ 19+	2- 3- 5+ 7+ -3 -5  1 19+
Curve Equation t Generators 23940i1 [0,0,0,20472,36487348] 1 [79443:2512427:343]
23940j (2 curves)	1	2- 3- 5+ 7+ 19+	2- 3- 5+ 7+  4  4  2 19+
Curve Equation t Generators 23940j1 [0,0,0,-21108,2109193] 2 [44:1125:1] 23940j2 [0,0,0,-406983,99889918] 2 [119:7290:1]
23940k (1 curve)	1	2- 3- 5+ 7+ 19+	2- 3- 5+ 7+ -4  0 -8 19+
Curve Equation t Generators 23940k1 [0,0,0,-48,2788] 1 [-4:54:1]
23940l (2 curves)	1	2- 3- 5+ 7+ 19+	2- 3- 5+ 7+  6  2 -2 19+
Curve Equation t Generators 23940l1 [0,0,0,2832,-201283] 2 [91:900:1] 23940l2 [0,0,0,-39063,-2723362] 2 [-134:324:1]
23940m (1 curve)	0	2- 3- 5+ 7+ 19-	2- 3- 5+ 7+  0  0  4 19-
Curve Equation t 23940m1 [0,0,0,-274368,55796708] 1
23940n (4 curves)	1	2- 3- 5+ 7- 19-	2- 3- 5+ 7-  0  2  6 19-
Curve Equation t Generators 23940n1 [0,0,0,-2568,-53867] 2 [73503:615230:729] 23940n2 [0,0,0,-41943,-3306242] 2 [2244122694:22936625335:7762392] 23940n3 [0,0,0,15432,15433] 6 [6:329:1] 23940n4 [0,0,0,-61743,123478] 6 [2211:103306:1]
23940o (2 curves)	1	2- 3- 5+ 7- 19-	2- 3- 5+ 7-  6 -4 -3 19-
Curve Equation t Generators 23940o1 [0,0,0,177,-2522] 1 [7218:10340:729] 23940o2 [0,0,0,-1623,75598] 3 [-54:76:1]
23940p (2 curves)	0	2- 3- 5- 7+ 19+	2- 3- 5- 7+  0  0 -2 19+
Curve Equation t 23940p1 [0,0,0,-12,-11891] 2 23940p2 [0,0,0,-7887,-265466] 2
23940q (1 curve)	1	2- 3- 5- 7+ 19-	2- 3- 5- 7+ -2 -4  3 19-
Curve Equation t Generators 23940q1 [0,0,0,97353,880686] 1 [7:1250:1]
23940r (1 curve)	1	2- 3- 5- 7- 19+	2- 3- 5- 7-  2  0 -1 19+
Curve Equation t Generators 23940r1 [0,0,0,-29487,1948966] 1 [102:50:1]
23940s (1 curve)	1	2- 3- 5- 7- 19+	2- 3- 5- 7- -3 -3 -5 19+
Curve Equation t Generators 23940s1 [0,0,0,-1272,23924] 1 [5:133:1]
23940t (4 curves)	0	2- 3- 5- 7- 19-	2- 3- 5- 7-  0 -4  6 19-
Curve Equation t 23940t1 [0,0,0,15828,-5187611] 2 23940t2 [0,0,0,-370047,-82439786] 2 23940t3 [0,0,0,-142932,142729081] 6 23940t4 [0,0,0,-5064807,4366682206] 6

Data from Elliptic Curve Data by J. E. Cremona.
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