Properties

Label 2-690-69.44-c1-0-25
Degree $2$
Conductor $690$
Sign $0.406 + 0.913i$
Analytic cond. $5.50967$
Root an. cond. $2.34727$
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  + (0.540 − 0.841i)2-s + (1.64 − 0.549i)3-s + (−0.415 − 0.909i)4-s + (0.959 + 0.281i)5-s + (0.426 − 1.67i)6-s + (0.918 + 0.795i)7-s + (−0.989 − 0.142i)8-s + (2.39 − 1.80i)9-s + (0.755 − 0.654i)10-s + (3.79 − 2.44i)11-s + (−1.18 − 1.26i)12-s + (0.541 + 0.624i)13-s + (1.16 − 0.342i)14-s + (1.73 − 0.0639i)15-s + (−0.654 + 0.755i)16-s + (−2.35 + 5.15i)17-s + ⋯
L(s)  = 1  + (0.382 − 0.594i)2-s + (0.948 − 0.316i)3-s + (−0.207 − 0.454i)4-s + (0.429 + 0.125i)5-s + (0.174 − 0.685i)6-s + (0.347 + 0.300i)7-s + (−0.349 − 0.0503i)8-s + (0.799 − 0.601i)9-s + (0.238 − 0.207i)10-s + (1.14 − 0.735i)11-s + (−0.341 − 0.365i)12-s + (0.150 + 0.173i)13-s + (0.311 − 0.0915i)14-s + (0.446 − 0.0165i)15-s + (−0.163 + 0.188i)16-s + (−0.570 + 1.24i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 690 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.406 + 0.913i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 690 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.406 + 0.913i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(690\)    =    \(2 \cdot 3 \cdot 5 \cdot 23\)
Sign: $0.406 + 0.913i$
Analytic conductor: \(5.50967\)
Root analytic conductor: \(2.34727\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{690} (251, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 690,\ (\ :1/2),\ 0.406 + 0.913i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.33012 - 1.51355i\)
\(L(\frac12)\) \(\approx\) \(2.33012 - 1.51355i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-0.540 + 0.841i)T \)
3 \( 1 + (-1.64 + 0.549i)T \)
5 \( 1 + (-0.959 - 0.281i)T \)
23 \( 1 + (4.39 + 1.90i)T \)
good7 \( 1 + (-0.918 - 0.795i)T + (0.996 + 6.92i)T^{2} \)
11 \( 1 + (-3.79 + 2.44i)T + (4.56 - 10.0i)T^{2} \)
13 \( 1 + (-0.541 - 0.624i)T + (-1.85 + 12.8i)T^{2} \)
17 \( 1 + (2.35 - 5.15i)T + (-11.1 - 12.8i)T^{2} \)
19 \( 1 + (5.34 - 2.44i)T + (12.4 - 14.3i)T^{2} \)
29 \( 1 + (-6.42 - 2.93i)T + (18.9 + 21.9i)T^{2} \)
31 \( 1 + (-0.809 + 5.63i)T + (-29.7 - 8.73i)T^{2} \)
37 \( 1 + (2.68 + 9.15i)T + (-31.1 + 20.0i)T^{2} \)
41 \( 1 + (-0.674 + 2.29i)T + (-34.4 - 22.1i)T^{2} \)
43 \( 1 + (1.09 - 0.157i)T + (41.2 - 12.1i)T^{2} \)
47 \( 1 - 10.1iT - 47T^{2} \)
53 \( 1 + (4.13 - 4.77i)T + (-7.54 - 52.4i)T^{2} \)
59 \( 1 + (10.1 - 8.83i)T + (8.39 - 58.3i)T^{2} \)
61 \( 1 + (11.5 + 1.65i)T + (58.5 + 17.1i)T^{2} \)
67 \( 1 + (-3.39 + 5.28i)T + (-27.8 - 60.9i)T^{2} \)
71 \( 1 + (-5.79 + 9.01i)T + (-29.4 - 64.5i)T^{2} \)
73 \( 1 + (-3.89 - 8.53i)T + (-47.8 + 55.1i)T^{2} \)
79 \( 1 + (8.25 - 7.15i)T + (11.2 - 78.1i)T^{2} \)
83 \( 1 + (-4.95 + 1.45i)T + (69.8 - 44.8i)T^{2} \)
89 \( 1 + (-2.66 - 18.5i)T + (-85.3 + 25.0i)T^{2} \)
97 \( 1 + (2.65 - 9.04i)T + (-81.6 - 52.4i)T^{2} \)
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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

−10.42380505111241735061965279991, −9.315188220944247414814058861926, −8.726958098620507936366786407281, −7.982004646426216871991260697356, −6.44738548230590281793687243459, −6.08422855844500895544609612724, −4.36133349190803981106274651484, −3.70459901392023171478620083025, −2.37723221242724405192076393264, −1.51593350934396080220640340078, 1.81875786846914480955964752594, 3.12008308494740812307597497432, 4.41467725796613366241980117439, 4.80152031542437892338915079704, 6.41966138545323843612797869330, 7.01843414175893431420194191728, 8.104799565683633978120639641903, 8.817281122202280236427579986176, 9.587826722181215417393521897058, 10.36289605526174705108275282808

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