Properties

Label 2-690-69.44-c1-0-15
Degree $2$
Conductor $690$
Sign $0.964 - 0.263i$
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 + (1.37 + 1.05i)3-s + (−0.415 − 0.909i)4-s + (−0.959 − 0.281i)5-s + (1.63 − 0.583i)6-s + (2.43 + 2.10i)7-s + (−0.989 − 0.142i)8-s + (0.767 + 2.90i)9-s + (−0.755 + 0.654i)10-s + (−1.55 + 1.00i)11-s + (0.390 − 1.68i)12-s + (2.29 + 2.64i)13-s + (3.08 − 0.906i)14-s + (−1.01 − 1.40i)15-s + (−0.654 + 0.755i)16-s + (−1.24 + 2.72i)17-s + ⋯
L(s)  = 1  + (0.382 − 0.594i)2-s + (0.792 + 0.609i)3-s + (−0.207 − 0.454i)4-s + (−0.429 − 0.125i)5-s + (0.665 − 0.238i)6-s + (0.919 + 0.796i)7-s + (−0.349 − 0.0503i)8-s + (0.255 + 0.966i)9-s + (−0.238 + 0.207i)10-s + (−0.469 + 0.301i)11-s + (0.112 − 0.487i)12-s + (0.635 + 0.733i)13-s + (0.825 − 0.242i)14-s + (−0.263 − 0.361i)15-s + (−0.163 + 0.188i)16-s + (−0.301 + 0.660i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 690 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.964 - 0.263i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 690 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.964 - 0.263i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(690\)    =    \(2 \cdot 3 \cdot 5 \cdot 23\)
Sign: $0.964 - 0.263i$
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: \((2,\ 690,\ (\ :1/2),\ 0.964 - 0.263i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.33493 + 0.313716i\)
\(L(\frac12)\) \(\approx\) \(2.33493 + 0.313716i\)
\(L(\frac{3}{2})\) 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 \( 1 + (-1.37 - 1.05i)T \)
5 \( 1 + (0.959 + 0.281i)T \)
23 \( 1 + (1.94 + 4.38i)T \)
good7 \( 1 + (-2.43 - 2.10i)T + (0.996 + 6.92i)T^{2} \)
11 \( 1 + (1.55 - 1.00i)T + (4.56 - 10.0i)T^{2} \)
13 \( 1 + (-2.29 - 2.64i)T + (-1.85 + 12.8i)T^{2} \)
17 \( 1 + (1.24 - 2.72i)T + (-11.1 - 12.8i)T^{2} \)
19 \( 1 + (-5.86 + 2.68i)T + (12.4 - 14.3i)T^{2} \)
29 \( 1 + (-2.52 - 1.15i)T + (18.9 + 21.9i)T^{2} \)
31 \( 1 + (-0.0402 + 0.280i)T + (-29.7 - 8.73i)T^{2} \)
37 \( 1 + (0.359 + 1.22i)T + (-31.1 + 20.0i)T^{2} \)
41 \( 1 + (-3.28 + 11.1i)T + (-34.4 - 22.1i)T^{2} \)
43 \( 1 + (4.25 - 0.611i)T + (41.2 - 12.1i)T^{2} \)
47 \( 1 - 5.38iT - 47T^{2} \)
53 \( 1 + (-4.11 + 4.74i)T + (-7.54 - 52.4i)T^{2} \)
59 \( 1 + (-3.68 + 3.19i)T + (8.39 - 58.3i)T^{2} \)
61 \( 1 + (8.76 + 1.25i)T + (58.5 + 17.1i)T^{2} \)
67 \( 1 + (3.59 - 5.58i)T + (-27.8 - 60.9i)T^{2} \)
71 \( 1 + (2.11 - 3.28i)T + (-29.4 - 64.5i)T^{2} \)
73 \( 1 + (-2.20 - 4.82i)T + (-47.8 + 55.1i)T^{2} \)
79 \( 1 + (-4.05 + 3.51i)T + (11.2 - 78.1i)T^{2} \)
83 \( 1 + (11.1 - 3.28i)T + (69.8 - 44.8i)T^{2} \)
89 \( 1 + (-0.253 - 1.76i)T + (-85.3 + 25.0i)T^{2} \)
97 \( 1 + (-2.61 + 8.89i)T + (-81.6 - 52.4i)T^{2} \)
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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

−10.63119081069270060021764642965, −9.641449244348324655165447354674, −8.748608188858488892802226937570, −8.289201088516855418711688323274, −7.14047791668411200193962351402, −5.62294815192983423484033360513, −4.75736610715912549315592975444, −4.00189395594770263014663633980, −2.80415983213966096419564316602, −1.78523431336258709114414491692, 1.17277563250191458234554786248, 2.95695646435497542769012153671, 3.80590788718097309615883979332, 4.95243089838413277788970829090, 6.05912500049330218438876006907, 7.20930322187177368763377228702, 7.82694232304042918943061671211, 8.205915856299395944503738866306, 9.355327932776100261166123290800, 10.42470577099747007984092113975

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