Cremona's table of elliptic curves

123708 = 2² · 3 · 13² · 61

Class	r	Atkin-Lehner	Eigenvalues
123708a (2 curves)	0	2- 3+ 13+ 61+	2- 3+ -2  2 -2 13+  2 -4
Curve Equation t 123708a1 [0,-1,0,-12015449,-15787962906] 2 123708a2 [0,-1,0,-448244,-44914185096] 2
123708b (2 curves)	2	2- 3+ 13+ 61+	2- 3+ -2 -2 -2 13+ -2 -4
Curve Equation t Generators 123708b1 [0,-1,0,-2929,54274] 2 [-59:135:1]&[-30:338:1] 123708b2 [0,-1,0,4676,282424] 2 [-30:338:1]&[18:610:1]
123708c (1 curve)	1	2- 3+ 13+ 61-	2- 3+ -1  3 -2 13+ -3  6
Curve Equation t Generators 123708c1 [0,-1,0,-901,-247391] 1 [243:3718:1]
123708d (1 curve)	1	2- 3+ 13+ 61-	2- 3+ -1  5 -5 13+ -6  2
Curve Equation t Generators 123708d1 [0,-1,0,-16956,863784] 1 [117:684:1]
123708e (2 curves)	1	2- 3+ 13- 61+	2- 3+  2 -4 -2 13-  6  0
Curve Equation t Generators 123708e1 [0,-1,0,-17177,-850422] 2 [-69:39:1] 123708e2 [0,-1,0,-32972,975480] 2 [174:690:1]
123708f (2 curves)	1	2- 3+ 13- 61+	2- 3+ -2  4  2 13-  6  0
Curve Equation t Generators 123708f1 [0,-1,0,-2902969,-1879988930] 2 [7272262867355346718:567237448209169957734:1106822887395121] 123708f2 [0,-1,0,-5572324,2120840344] 2 [1434188380499268486416154044683923090:109677410943381673674206693595107339863:215983470654452593199649181686696]
123708g (2 curves)	1	2- 3- 13+ 61+	2- 3-  0 -2  4 13+ -2 -6
Curve Equation t Generators 123708g1 [0,1,0,-2848213,-1839887308] 2 [2123:41067:1] 123708g2 [0,1,0,-4696228,838995236] 2 [2240:39546:1]
123708h (2 curves)	1	2- 3- 13+ 61+	2- 3-  2  2  0 13+  0  0
Curve Equation t Generators 123708h1 [0,1,0,-4957,98840] 2 [20:90:1] 123708h2 [0,1,0,-27772,-1708108] 2 [-854:1815:8]
123708i (2 curves)	0	2- 3- 13+ 61-	2- 3-  0  4  0 13+ -3  1
Curve Equation t 123708i1 [0,1,0,-3618,-112995] 1 123708i2 [0,1,0,-319518,-69623631] 1
123708j (2 curves)	0	2- 3- 13+ 61-	2- 3-  0 -4  0 13+ -3 -1
Curve Equation t 123708j1 [0,1,0,-611498,-245804103] 3 123708j2 [0,1,0,-53998598,-152747122995] 1
123708k (2 curves)	0	2- 3- 13+ 61-	2- 3-  2 -4  4 13+  2  6
Curve Equation t 123708k1 [0,1,0,-92837,371268] 2 123708k2 [0,1,0,371068,3340260] 2
123708l (1 curve)	1	2- 3- 13- 61-	2- 3-  1  1  0 13- -7  0
Curve Equation t Generators 123708l1 [0,1,0,-1525,-38089] 1 [589:14274:1]
123708m (1 curve)	1	2- 3- 13- 61-	2- 3- -1 -1  0 13- -7  0
Curve Equation t Generators 123708m1 [0,1,0,-257781,-82650489] 1 [8148778670:163566006279:9800344]

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