Properties

Label 2-637-49.4-c1-0-27
Degree $2$
Conductor $637$
Sign $-0.456 - 0.889i$
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  + (2.11 + 1.43i)2-s + (1.10 + 1.02i)3-s + (1.65 + 4.21i)4-s + (1.18 − 0.366i)5-s + (0.853 + 3.74i)6-s + (−2.52 + 0.798i)7-s + (−1.43 + 6.30i)8-s + (−0.0556 − 0.742i)9-s + (3.03 + 0.937i)10-s + (0.146 − 1.95i)11-s + (−2.48 + 6.33i)12-s + (0.900 − 0.433i)13-s + (−6.47 − 1.94i)14-s + (1.68 + 0.810i)15-s + (−5.46 + 5.07i)16-s + (−2.84 + 0.428i)17-s + ⋯
L(s)  = 1  + (1.49 + 1.01i)2-s + (0.635 + 0.589i)3-s + (0.827 + 2.10i)4-s + (0.531 − 0.164i)5-s + (0.348 + 1.52i)6-s + (−0.953 + 0.301i)7-s + (−0.508 + 2.22i)8-s + (−0.0185 − 0.247i)9-s + (0.961 + 0.296i)10-s + (0.0441 − 0.588i)11-s + (−0.717 + 1.82i)12-s + (0.249 − 0.120i)13-s + (−1.73 − 0.520i)14-s + (0.434 + 0.209i)15-s + (−1.36 + 1.26i)16-s + (−0.690 + 0.104i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 637 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.456 - 0.889i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 637 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.456 - 0.889i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(637\)    =    \(7^{2} \cdot 13\)
Sign: $-0.456 - 0.889i$
Analytic conductor: \(5.08647\)
Root analytic conductor: \(2.25532\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{637} (53, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 637,\ (\ :1/2),\ -0.456 - 0.889i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.06948 + 3.38739i\)
\(L(\frac12)\) \(\approx\) \(2.06948 + 3.38739i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 + (2.52 - 0.798i)T \)
13 \( 1 + (-0.900 + 0.433i)T \)
good2 \( 1 + (-2.11 - 1.43i)T + (0.730 + 1.86i)T^{2} \)
3 \( 1 + (-1.10 - 1.02i)T + (0.224 + 2.99i)T^{2} \)
5 \( 1 + (-1.18 + 0.366i)T + (4.13 - 2.81i)T^{2} \)
11 \( 1 + (-0.146 + 1.95i)T + (-10.8 - 1.63i)T^{2} \)
17 \( 1 + (2.84 - 0.428i)T + (16.2 - 5.01i)T^{2} \)
19 \( 1 + (-0.682 - 1.18i)T + (-9.5 + 16.4i)T^{2} \)
23 \( 1 + (-7.33 - 1.10i)T + (21.9 + 6.77i)T^{2} \)
29 \( 1 + (5.89 + 7.39i)T + (-6.45 + 28.2i)T^{2} \)
31 \( 1 + (-0.371 + 0.643i)T + (-15.5 - 26.8i)T^{2} \)
37 \( 1 + (-2.72 + 6.94i)T + (-27.1 - 25.1i)T^{2} \)
41 \( 1 + (1.96 - 8.62i)T + (-36.9 - 17.7i)T^{2} \)
43 \( 1 + (0.267 + 1.17i)T + (-38.7 + 18.6i)T^{2} \)
47 \( 1 + (0.330 + 0.225i)T + (17.1 + 43.7i)T^{2} \)
53 \( 1 + (-1.43 - 3.66i)T + (-38.8 + 36.0i)T^{2} \)
59 \( 1 + (5.14 + 1.58i)T + (48.7 + 33.2i)T^{2} \)
61 \( 1 + (2.46 - 6.27i)T + (-44.7 - 41.4i)T^{2} \)
67 \( 1 + (-7.34 + 12.7i)T + (-33.5 - 58.0i)T^{2} \)
71 \( 1 + (4.45 - 5.58i)T + (-15.7 - 69.2i)T^{2} \)
73 \( 1 + (6.17 - 4.21i)T + (26.6 - 67.9i)T^{2} \)
79 \( 1 + (-1.46 - 2.54i)T + (-39.5 + 68.4i)T^{2} \)
83 \( 1 + (12.2 + 5.90i)T + (51.7 + 64.8i)T^{2} \)
89 \( 1 + (-0.894 - 11.9i)T + (-88.0 + 13.2i)T^{2} \)
97 \( 1 + 1.27T + 97T^{2} \)
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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

−11.07049402957378626939351509776, −9.653817847798902050811409992592, −9.103793185914478774725330544198, −8.105206101936726720099705474712, −6.98728455313229527702925840256, −6.09938398530819873521957176824, −5.57996330037506190978001550089, −4.30142289773938360286522344841, −3.50435065455831068496027762347, −2.69441940611950226639508029897, 1.58098083710815328364684882690, 2.58459940590188485961005792240, 3.35002570513191992912967683531, 4.54312152469860635676886149461, 5.50962464495177522281530186656, 6.63149096705818040278745048968, 7.18802055211355327198662563179, 8.808592580341099073664086821654, 9.711619796750593350110392351503, 10.56760749756847018636068768363

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