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Properties

Label 2-637-91.5-c1-0-18
Degree $2$
Conductor $637$
Sign $0.0201 + 0.999i$
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  + (−0.531 − 1.98i)2-s + (−1.57 + 0.909i)3-s + (−1.91 + 1.10i)4-s + (2.75 − 0.737i)5-s + (2.64 + 2.64i)6-s + (0.311 + 0.311i)8-s + (0.155 − 0.269i)9-s + (−2.92 − 5.06i)10-s + (0.165 − 0.616i)11-s + (2.01 − 3.48i)12-s + (3.40 + 1.19i)13-s + (−3.66 + 3.66i)15-s + (−1.76 + 3.05i)16-s + (2.16 + 3.74i)17-s + (−0.616 − 0.165i)18-s + (4.64 − 1.24i)19-s + ⋯
L(s)  = 1  + (−0.375 − 1.40i)2-s + (−0.909 + 0.525i)3-s + (−0.958 + 0.553i)4-s + (1.23 − 0.329i)5-s + (1.07 + 1.07i)6-s + (0.109 + 0.109i)8-s + (0.0518 − 0.0898i)9-s + (−0.924 − 1.60i)10-s + (0.0498 − 0.186i)11-s + (0.581 − 1.00i)12-s + (0.943 + 0.330i)13-s + (−0.946 + 0.946i)15-s + (−0.440 + 0.763i)16-s + (0.524 + 0.908i)17-s + (−0.145 − 0.0389i)18-s + (1.06 − 0.285i)19-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 637 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.0201 + 0.999i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 637 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.0201 + 0.999i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(637\)    =    \(7^{2} \cdot 13\)
Sign: $0.0201 + 0.999i$
Analytic conductor: \(5.08647\)
Root analytic conductor: \(2.25532\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{637} (460, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 637,\ (\ :1/2),\ 0.0201 + 0.999i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.797824 - 0.781885i\)
\(L(\frac12)\) \(\approx\) \(0.797824 - 0.781885i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 \)
13 \( 1 + (-3.40 - 1.19i)T \)
good2 \( 1 + (0.531 + 1.98i)T + (-1.73 + i)T^{2} \)
3 \( 1 + (1.57 - 0.909i)T + (1.5 - 2.59i)T^{2} \)
5 \( 1 + (-2.75 + 0.737i)T + (4.33 - 2.5i)T^{2} \)
11 \( 1 + (-0.165 + 0.616i)T + (-9.52 - 5.5i)T^{2} \)
17 \( 1 + (-2.16 - 3.74i)T + (-8.5 + 14.7i)T^{2} \)
19 \( 1 + (-4.64 + 1.24i)T + (16.4 - 9.5i)T^{2} \)
23 \( 1 + (0.808 + 0.466i)T + (11.5 + 19.9i)T^{2} \)
29 \( 1 - 6.33T + 29T^{2} \)
31 \( 1 + (-2.00 + 7.48i)T + (-26.8 - 15.5i)T^{2} \)
37 \( 1 + (2.92 - 0.783i)T + (32.0 - 18.5i)T^{2} \)
41 \( 1 + (-1.81 - 1.81i)T + 41iT^{2} \)
43 \( 1 + 10.4iT - 43T^{2} \)
47 \( 1 + (-2.16 - 8.07i)T + (-40.7 + 23.5i)T^{2} \)
53 \( 1 + (1.68 + 2.91i)T + (-26.5 + 45.8i)T^{2} \)
59 \( 1 + (-0.349 - 0.0935i)T + (51.0 + 29.5i)T^{2} \)
61 \( 1 + (6.74 + 3.89i)T + (30.5 + 52.8i)T^{2} \)
67 \( 1 + (9.94 + 2.66i)T + (58.0 + 33.5i)T^{2} \)
71 \( 1 + (-5.56 + 5.56i)T - 71iT^{2} \)
73 \( 1 + (-12.1 - 3.24i)T + (63.2 + 36.5i)T^{2} \)
79 \( 1 + (-6.89 + 11.9i)T + (-39.5 - 68.4i)T^{2} \)
83 \( 1 + (-4.30 - 4.30i)T + 83iT^{2} \)
89 \( 1 + (-2.05 - 7.66i)T + (-77.0 + 44.5i)T^{2} \)
97 \( 1 + (0.236 + 0.236i)T + 97iT^{2} \)
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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

−10.48780281824213524967221471186, −9.774799175717311033336006014693, −9.157265021000377870835290916076, −8.142861238385380967228006327056, −6.33064693511059764452510429238, −5.80021082034667034706351028394, −4.70419740169491450233636249421, −3.53024693296831700462352935711, −2.17867533620045824118885712359, −1.01905074162542425071061284722, 1.14395953449459773342742429402, 2.99487735172443811442471023095, 5.10030216259398882181777524210, 5.67915661569107792046591069860, 6.39092616150274544248204688174, 6.94803821856912180813218039833, 7.919022487436442870330404127033, 8.968737830720353856232806846058, 9.738003551975661129401507602753, 10.62539258336121809503518983076

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