Properties

Label 2-637-1.1-c3-0-38
Degree $2$
Conductor $637$
Sign $1$
Analytic cond. $37.5842$
Root an. cond. $6.13059$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 5.05·2-s − 6.23·3-s + 17.5·4-s + 18.8·5-s + 31.5·6-s − 48.5·8-s + 11.8·9-s − 95.2·10-s + 7.18·11-s − 109.·12-s + 13·13-s − 117.·15-s + 104.·16-s + 110.·17-s − 59.8·18-s + 103.·19-s + 331.·20-s − 36.3·22-s + 59.7·23-s + 302.·24-s + 229.·25-s − 65.7·26-s + 94.5·27-s − 229.·29-s + 593.·30-s + 252.·31-s − 141.·32-s + ⋯
L(s)  = 1  − 1.78·2-s − 1.19·3-s + 2.19·4-s + 1.68·5-s + 2.14·6-s − 2.14·8-s + 0.438·9-s − 3.01·10-s + 0.196·11-s − 2.63·12-s + 0.277·13-s − 2.01·15-s + 1.63·16-s + 1.58·17-s − 0.783·18-s + 1.25·19-s + 3.70·20-s − 0.352·22-s + 0.541·23-s + 2.57·24-s + 1.83·25-s − 0.496·26-s + 0.673·27-s − 1.46·29-s + 3.61·30-s + 1.46·31-s − 0.781·32-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 637 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 637 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(637\)    =    \(7^{2} \cdot 13\)
Sign: $1$
Analytic conductor: \(37.5842\)
Root analytic conductor: \(6.13059\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 637,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(0.8740549139\)
\(L(\frac12)\) \(\approx\) \(0.8740549139\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 \)
13 \( 1 - 13T \)
good2 \( 1 + 5.05T + 8T^{2} \)
3 \( 1 + 6.23T + 27T^{2} \)
5 \( 1 - 18.8T + 125T^{2} \)
11 \( 1 - 7.18T + 1.33e3T^{2} \)
17 \( 1 - 110.T + 4.91e3T^{2} \)
19 \( 1 - 103.T + 6.85e3T^{2} \)
23 \( 1 - 59.7T + 1.21e4T^{2} \)
29 \( 1 + 229.T + 2.43e4T^{2} \)
31 \( 1 - 252.T + 2.97e4T^{2} \)
37 \( 1 + 44.4T + 5.06e4T^{2} \)
41 \( 1 + 404.T + 6.89e4T^{2} \)
43 \( 1 - 82.1T + 7.95e4T^{2} \)
47 \( 1 - 334.T + 1.03e5T^{2} \)
53 \( 1 - 529.T + 1.48e5T^{2} \)
59 \( 1 + 383.T + 2.05e5T^{2} \)
61 \( 1 + 3.58T + 2.26e5T^{2} \)
67 \( 1 + 125.T + 3.00e5T^{2} \)
71 \( 1 - 254.T + 3.57e5T^{2} \)
73 \( 1 + 849.T + 3.89e5T^{2} \)
79 \( 1 + 273.T + 4.93e5T^{2} \)
83 \( 1 - 184.T + 5.71e5T^{2} \)
89 \( 1 - 482.T + 7.04e5T^{2} \)
97 \( 1 + 1.78e3T + 9.12e5T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−10.12509973269486517553457554723, −9.514760050878858360612647847523, −8.729901253998313703534664877473, −7.53393954659721328841987235107, −6.66817526982635892158480229725, −5.83016685641442517885654495533, −5.31131335856563119055053092595, −2.92408850674410124758235794130, −1.54954691305521978022400681216, −0.839961680932392632255188834272, 0.839961680932392632255188834272, 1.54954691305521978022400681216, 2.92408850674410124758235794130, 5.31131335856563119055053092595, 5.83016685641442517885654495533, 6.66817526982635892158480229725, 7.53393954659721328841987235107, 8.729901253998313703534664877473, 9.514760050878858360612647847523, 10.12509973269486517553457554723

Graph of the $Z$-function along the critical line