Cremona's table of elliptic curves

19680 = 2⁵ · 3 · 5 · 41

Class	r	Atkin-Lehner	Eigenvalues
19680a (2 curves)	1	2+ 3+ 5+ 41+	2+ 3+ 5+  2  0  4 -6 -4
Curve Equation t Generators 19680a1 [0,-1,0,-106,-344] 2 [-5:6:1] 19680a2 [0,-1,0,144,-1944] 2 [45:306:1]
19680b (1 curve)	1	2+ 3+ 5+ 41+	2+ 3+ 5+  2 -1 -2  3  6
Curve Equation t Generators 19680b1 [0,-1,0,-61,565] 1 [3:20:1]
19680c (1 curve)	0	2+ 3+ 5+ 41-	2+ 3+ 5+ -3  2 -4  4  7
Curve Equation t 19680c1 [0,-1,0,-2616,-58680] 1
19680d (4 curves)	0	2+ 3+ 5+ 41-	2+ 3+ 5+  4  0  2 -6  4
Curve Equation t 19680d1 [0,-1,0,-5126,-139440] 4 19680d2 [0,-1,0,-82001,-9010815] 2 19680d3 [0,-1,0,-6376,-64940] 2 19680d4 [0,-1,0,-3896,-209304] 2
19680e (2 curves)	2	2+ 3+ 5+ 41-	2+ 3+ 5+ -4 -4  4  0 -4
Curve Equation t Generators 19680e1 [0,-1,0,-46,-44] 2 [-5:6:1]&[-2:6:1] 19680e2 [0,-1,0,159,-495] 2 [5:20:1]&[8:35:1]
19680f (1 curve)	0	2+ 3+ 5- 41+	2+ 3+ 5- -2 -1  2 -5  2
Curve Equation t 19680f1 [0,-1,0,-9485,-512475] 1
19680g (1 curve)	1	2+ 3+ 5- 41-	2+ 3+ 5- -5 -6 -4  0  7
Curve Equation t Generators 19680g1 [0,-1,0,40,-108] 1 [4:10:1]
19680h (2 curves)	0	2+ 3- 5+ 41+	2+ 3- 5+  0  6  4 -4 -6
Curve Equation t 19680h1 [0,1,0,-3386,29664] 2 19680h2 [0,1,0,12239,239039] 2
19680i (1 curve)	1	2+ 3- 5+ 41-	2+ 3- 5+  3 -2 -4  4 -7
Curve Equation t Generators 19680i1 [0,1,0,-2616,58680] 1 [174:2214:1]
19680j (4 curves)	1	2+ 3- 5+ 41-	2+ 3- 5+ -4  0  2 -6 -4
Curve Equation t Generators 19680j1 [0,1,0,-5126,139440] 4 [-56:504:1] 19680j2 [0,1,0,-6376,64940] 2 [79:246:1] 19680j3 [0,1,0,-82001,9010815] 2 [13863:273392:27] 19680j4 [0,1,0,-3896,209304] 2 [-3420:33117:64]
19680k (2 curves)	1	2+ 3- 5- 41+	2+ 3- 5-  0 -2  2  2 -6
Curve Equation t Generators 19680k1 [0,1,0,-270,1620] 2 [8:6:1] 19680k2 [0,1,0,-225,2223] 2 [-9:60:1]
19680l (1 curve)	1	2+ 3- 5- 41+	2+ 3- 5-  2  1  2 -5 -2
Curve Equation t Generators 19680l1 [0,1,0,-9485,512475] 1 [25:540:1]
19680m (1 curve)	0	2+ 3- 5- 41-	2+ 3- 5-  5  6 -4  0 -7
Curve Equation t 19680m1 [0,1,0,40,108] 1
19680n (2 curves)	0	2- 3+ 5+ 41+	2- 3+ 5+  0 -6  4 -4  6
Curve Equation t 19680n1 [0,-1,0,-3386,-29664] 2 19680n2 [0,-1,0,12239,-239039] 2
19680o (2 curves)	1	2- 3+ 5+ 41-	2- 3+ 5+  2 -2  6  0 -6
Curve Equation t Generators 19680o1 [0,-1,0,-206,-600] 2 [-4:12:1] 19680o2 [0,-1,0,-1456,21400] 2 [189:2542:1]
19680p (2 curves)	1	2- 3+ 5+ 41-	2- 3+ 5+ -2 -2  2 -4  2
Curve Equation t Generators 19680p1 [0,-1,0,-9966,386280] 2 [66:108:1] 19680p2 [0,-1,0,-10016,382260] 2 [49:82:1]
19680q (1 curve)	1	2- 3+ 5+ 41-	2- 3+ 5+ -2 -5  2  5  2
Curve Equation t Generators 19680q1 [0,-1,0,456819,180342981] 1 [956753:52187500:343]
19680r (2 curves)	1	2- 3+ 5- 41+	2- 3+ 5-  0  2  2  2  6
Curve Equation t Generators 19680r1 [0,-1,0,-270,-1620] 2 [378:2385:8] 19680r2 [0,-1,0,-225,-2223] 2 [24:75:1]
19680s (1 curve)	1	2- 3+ 5- 41+	2- 3+ 5-  2  3 -2  3 -6
Curve Equation t Generators 19680s1 [0,-1,0,435,5925] 1 [-5:60:1]
19680t (4 curves)	2	2- 3+ 5- 41-	2- 3+ 5-  0 -4 -6 -6 -4
Curve Equation t Generators 19680t1 [0,-1,0,-710,6600] 4 [-25:90:1]&[-5:100:1] 19680t2 [0,-1,0,-2960,-54600] 2 [-35:70:1]&[125:1230:1] 19680t3 [0,-1,0,-10960,445300] 2 [-108:598:1]&[-20:810:1] 19680t4 [0,-1,0,1135,33537] 4 [-16:105:1]&[-11:140:1]
19680u (1 curve)	0	2- 3+ 5- 41-	2- 3+ 5-  2 -5  6 -3  6
Curve Equation t 19680u1 [0,-1,0,-24685,-1485083] 1
19680v (1 curve)	0	2- 3+ 5- 41-	2- 3+ 5-  3  2  0  0  5
Curve Equation t 19680v1 [0,-1,0,-2250080,-3479096328] 1
19680w (2 curves)	1	2- 3- 5+ 41+	2- 3- 5+ -2  0  4 -6  4
Curve Equation t Generators 19680w1 [0,1,0,-106,344] 2 [2:12:1] 19680w2 [0,1,0,144,1944] 2 [-6:30:1]
19680x (1 curve)	1	2- 3- 5+ 41+	2- 3- 5+ -2  1 -2  3 -6
Curve Equation t Generators 19680x1 [0,1,0,-61,-565] 1 [17:60:1]
19680y (2 curves)	0	2- 3- 5+ 41-	2- 3- 5+  2  2  2 -4 -2
Curve Equation t 19680y1 [0,1,0,-9966,-386280] 2 19680y2 [0,1,0,-10016,-382260] 2
19680z (1 curve)	0	2- 3- 5+ 41-	2- 3- 5+  2  5  2  5 -2
Curve Equation t 19680z1 [0,1,0,456819,-180342981] 1
19680ba (2 curves)	0	2- 3- 5+ 41-	2- 3- 5+ -2  2  6  0  6
Curve Equation t 19680ba1 [0,1,0,-206,600] 2 19680ba2 [0,1,0,-1456,-21400] 2
19680bb (2 curves)	0	2- 3- 5+ 41-	2- 3- 5+  4  4  4  0  4
Curve Equation t 19680bb1 [0,1,0,-46,44] 2 19680bb2 [0,1,0,159,495] 2
19680bc (1 curve)	0	2- 3- 5- 41+	2- 3- 5- -2 -3 -2  3  6
Curve Equation t 19680bc1 [0,1,0,435,-5925] 1
19680bd (4 curves)	1	2- 3- 5- 41-	2- 3- 5-  0  4 -6 -6  4
Curve Equation t Generators 19680bd1 [0,1,0,-710,-6600] 4 [-15:30:1] 19680bd2 [0,1,0,-10960,-445300] 2 [970:1215:8] 19680bd3 [0,1,0,-2960,54600] 4 [75:510:1] 19680bd4 [0,1,0,1135,-33537] 2 [31:180:1]
19680be (1 curve)	1	2- 3- 5- 41-	2- 3- 5- -2  5  6 -3 -6
Curve Equation t Generators 19680be1 [0,1,0,-24685,1485083] 1 [101:180:1]
19680bf (1 curve)	1	2- 3- 5- 41-	2- 3- 5- -3 -2  0  0 -5
Curve Equation t Generators 19680bf1 [0,1,0,-2250080,3479096328] 1 [14686:-1771470:1]

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