Properties

Label 2-690-115.49-c1-0-3
Degree $2$
Conductor $690$
Sign $-0.607 - 0.793i$
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  + (−0.989 + 0.142i)2-s + (0.909 + 0.415i)3-s + (0.959 − 0.281i)4-s + (−1.21 + 1.87i)5-s + (−0.959 − 0.281i)6-s + (0.707 + 1.10i)7-s + (−0.909 + 0.415i)8-s + (0.654 + 0.755i)9-s + (0.933 − 2.03i)10-s + (0.267 − 1.85i)11-s + (0.989 + 0.142i)12-s + (−2.09 + 3.25i)13-s + (−0.856 − 0.989i)14-s + (−1.88 + 1.20i)15-s + (0.841 − 0.540i)16-s + (−1.13 + 3.87i)17-s + ⋯
L(s)  = 1  + (−0.699 + 0.100i)2-s + (0.525 + 0.239i)3-s + (0.479 − 0.140i)4-s + (−0.542 + 0.840i)5-s + (−0.391 − 0.115i)6-s + (0.267 + 0.416i)7-s + (−0.321 + 0.146i)8-s + (0.218 + 0.251i)9-s + (0.295 − 0.642i)10-s + (0.0805 − 0.560i)11-s + (0.285 + 0.0410i)12-s + (−0.580 + 0.903i)13-s + (−0.229 − 0.264i)14-s + (−0.486 + 0.311i)15-s + (0.210 − 0.135i)16-s + (−0.276 + 0.940i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 690 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.607 - 0.793i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 690 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.607 - 0.793i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(690\)    =    \(2 \cdot 3 \cdot 5 \cdot 23\)
Sign: $-0.607 - 0.793i$
Analytic conductor: \(5.50967\)
Root analytic conductor: \(2.34727\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{690} (49, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 690,\ (\ :1/2),\ -0.607 - 0.793i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.417520 + 0.845568i\)
\(L(\frac12)\) \(\approx\) \(0.417520 + 0.845568i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (0.989 - 0.142i)T \)
3 \( 1 + (-0.909 - 0.415i)T \)
5 \( 1 + (1.21 - 1.87i)T \)
23 \( 1 + (3.69 - 3.06i)T \)
good7 \( 1 + (-0.707 - 1.10i)T + (-2.90 + 6.36i)T^{2} \)
11 \( 1 + (-0.267 + 1.85i)T + (-10.5 - 3.09i)T^{2} \)
13 \( 1 + (2.09 - 3.25i)T + (-5.40 - 11.8i)T^{2} \)
17 \( 1 + (1.13 - 3.87i)T + (-14.3 - 9.19i)T^{2} \)
19 \( 1 + (-4.77 + 1.40i)T + (15.9 - 10.2i)T^{2} \)
29 \( 1 + (6.75 + 1.98i)T + (24.3 + 15.6i)T^{2} \)
31 \( 1 + (-2.27 - 4.97i)T + (-20.3 + 23.4i)T^{2} \)
37 \( 1 + (3.36 - 2.91i)T + (5.26 - 36.6i)T^{2} \)
41 \( 1 + (4.58 - 5.29i)T + (-5.83 - 40.5i)T^{2} \)
43 \( 1 + (-2.17 - 0.995i)T + (28.1 + 32.4i)T^{2} \)
47 \( 1 + 5.44iT - 47T^{2} \)
53 \( 1 + (-4.25 - 6.62i)T + (-22.0 + 48.2i)T^{2} \)
59 \( 1 + (-0.186 - 0.119i)T + (24.5 + 53.6i)T^{2} \)
61 \( 1 + (-1.20 - 2.62i)T + (-39.9 + 46.1i)T^{2} \)
67 \( 1 + (4.34 - 0.625i)T + (64.2 - 18.8i)T^{2} \)
71 \( 1 + (-1.57 - 10.9i)T + (-68.1 + 20.0i)T^{2} \)
73 \( 1 + (-0.479 - 1.63i)T + (-61.4 + 39.4i)T^{2} \)
79 \( 1 + (5.25 + 3.37i)T + (32.8 + 71.8i)T^{2} \)
83 \( 1 + (-1.99 + 1.72i)T + (11.8 - 82.1i)T^{2} \)
89 \( 1 + (-1.12 + 2.45i)T + (-58.2 - 67.2i)T^{2} \)
97 \( 1 + (-6.97 - 6.04i)T + (13.8 + 96.0i)T^{2} \)
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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

−10.61027173855121380507963025691, −9.870357714036008168924345434714, −8.995024147413999786331353189759, −8.231594856408954409899590938104, −7.43280841176501602262456754263, −6.63969786065989379046991078960, −5.49842158692905731089142552602, −4.07165934978059422806956389132, −3.06179141968187491181699295191, −1.87768603072425921647392404722, 0.57633496738848287181443196489, 2.01664906049199929704233728917, 3.39708684628656539694841237002, 4.54725063316651364306911340075, 5.61722067891247240087892826492, 7.22126845070468951489225218804, 7.58511544582611310651442881344, 8.385534253381609384322309819601, 9.323673756990207061747477187849, 9.895451191886521486398248260862

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