Properties

Label 2-637-49.39-c1-0-53
Degree $2$
Conductor $637$
Sign $0.863 + 0.504i$
Analytic cond. $5.08647$
Root an. cond. $2.25532$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (2.41 + 0.364i)2-s + (1.41 − 0.962i)3-s + (3.80 + 1.17i)4-s + (−0.219 − 2.93i)5-s + (3.76 − 1.81i)6-s + (−2.56 + 0.650i)7-s + (4.36 + 2.10i)8-s + (−0.0301 + 0.0769i)9-s + (0.537 − 7.16i)10-s + (−0.641 − 1.63i)11-s + (6.49 − 2.00i)12-s + (0.623 − 0.781i)13-s + (−6.43 + 0.639i)14-s + (−3.12 − 3.92i)15-s + (3.20 + 2.18i)16-s + (5.43 + 5.04i)17-s + ⋯
L(s)  = 1  + (1.70 + 0.257i)2-s + (0.814 − 0.555i)3-s + (1.90 + 0.586i)4-s + (−0.0982 − 1.31i)5-s + (1.53 − 0.739i)6-s + (−0.969 + 0.245i)7-s + (1.54 + 0.743i)8-s + (−0.0100 + 0.0256i)9-s + (0.169 − 2.26i)10-s + (−0.193 − 0.492i)11-s + (1.87 − 0.578i)12-s + (0.172 − 0.216i)13-s + (−1.72 + 0.170i)14-s + (−0.808 − 1.01i)15-s + (0.802 + 0.546i)16-s + (1.31 + 1.22i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 637 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.863 + 0.504i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 637 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.863 + 0.504i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(637\)    =    \(7^{2} \cdot 13\)
Sign: $0.863 + 0.504i$
Analytic conductor: \(5.08647\)
Root analytic conductor: \(2.25532\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{637} (235, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 637,\ (\ :1/2),\ 0.863 + 0.504i)\)

Particular Values

\(L(1)\) \(\approx\) \(4.28578 - 1.16028i\)
\(L(\frac12)\) \(\approx\) \(4.28578 - 1.16028i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 + (2.56 - 0.650i)T \)
13 \( 1 + (-0.623 + 0.781i)T \)
good2 \( 1 + (-2.41 - 0.364i)T + (1.91 + 0.589i)T^{2} \)
3 \( 1 + (-1.41 + 0.962i)T + (1.09 - 2.79i)T^{2} \)
5 \( 1 + (0.219 + 2.93i)T + (-4.94 + 0.745i)T^{2} \)
11 \( 1 + (0.641 + 1.63i)T + (-8.06 + 7.48i)T^{2} \)
17 \( 1 + (-5.43 - 5.04i)T + (1.27 + 16.9i)T^{2} \)
19 \( 1 + (-1.40 - 2.42i)T + (-9.5 + 16.4i)T^{2} \)
23 \( 1 + (1.33 - 1.24i)T + (1.71 - 22.9i)T^{2} \)
29 \( 1 + (1.47 - 6.45i)T + (-26.1 - 12.5i)T^{2} \)
31 \( 1 + (-2.21 + 3.84i)T + (-15.5 - 26.8i)T^{2} \)
37 \( 1 + (7.47 - 2.30i)T + (30.5 - 20.8i)T^{2} \)
41 \( 1 + (6.02 + 2.89i)T + (25.5 + 32.0i)T^{2} \)
43 \( 1 + (-1.01 + 0.489i)T + (26.8 - 33.6i)T^{2} \)
47 \( 1 + (-2.71 - 0.408i)T + (44.9 + 13.8i)T^{2} \)
53 \( 1 + (11.8 + 3.64i)T + (43.7 + 29.8i)T^{2} \)
59 \( 1 + (-0.733 + 9.78i)T + (-58.3 - 8.79i)T^{2} \)
61 \( 1 + (5.94 - 1.83i)T + (50.4 - 34.3i)T^{2} \)
67 \( 1 + (-3.92 + 6.79i)T + (-33.5 - 58.0i)T^{2} \)
71 \( 1 + (-1.18 - 5.18i)T + (-63.9 + 30.8i)T^{2} \)
73 \( 1 + (-4.49 + 0.676i)T + (69.7 - 21.5i)T^{2} \)
79 \( 1 + (-6.91 - 11.9i)T + (-39.5 + 68.4i)T^{2} \)
83 \( 1 + (-5.08 - 6.37i)T + (-18.4 + 80.9i)T^{2} \)
89 \( 1 + (-3.45 + 8.80i)T + (-65.2 - 60.5i)T^{2} \)
97 \( 1 - 1.33T + 97T^{2} \)
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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

−10.72147152379272827611266887344, −9.498656864090573213376284240926, −8.415871381074369924726909710981, −7.87282460569477001335757262601, −6.69390631072528507369468505728, −5.67591148950410141308373924508, −5.15621580474263116106231816698, −3.70661695163040308799727834574, −3.18414812711952890545162048396, −1.69632526428597828432860434933, 2.56484267597891996097241196602, 3.15724796925133804856894873008, 3.73850620615419468138015302381, 4.87422144239797699294035672454, 6.09988170500046790640194312723, 6.82255928755487076656071391291, 7.61001395895824658642023927789, 9.241607045680802930884604280744, 10.03625738357854561212830685815, 10.68376590589865184758011522606

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