Properties

Label 2-690-115.7-c1-0-16
Degree $2$
Conductor $690$
Sign $0.820 + 0.570i$
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  + (0.997 − 0.0713i)2-s + (0.212 − 0.977i)3-s + (0.989 − 0.142i)4-s + (0.855 + 2.06i)5-s + (0.142 − 0.989i)6-s + (1.43 − 2.61i)7-s + (0.977 − 0.212i)8-s + (−0.909 − 0.415i)9-s + (1.00 + 1.99i)10-s + (1.89 − 1.64i)11-s + (0.0713 − 0.997i)12-s + (−0.493 + 0.269i)13-s + (1.23 − 2.71i)14-s + (2.20 − 0.396i)15-s + (0.959 − 0.281i)16-s + (−3.79 − 5.07i)17-s + ⋯
L(s)  = 1  + (0.705 − 0.0504i)2-s + (0.122 − 0.564i)3-s + (0.494 − 0.0711i)4-s + (0.382 + 0.923i)5-s + (0.0580 − 0.404i)6-s + (0.540 − 0.990i)7-s + (0.345 − 0.0751i)8-s + (−0.303 − 0.138i)9-s + (0.316 + 0.632i)10-s + (0.570 − 0.494i)11-s + (0.0205 − 0.287i)12-s + (−0.136 + 0.0747i)13-s + (0.331 − 0.725i)14-s + (0.568 − 0.102i)15-s + (0.239 − 0.0704i)16-s + (−0.920 − 1.23i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 690 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.820 + 0.570i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 690 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.820 + 0.570i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(690\)    =    \(2 \cdot 3 \cdot 5 \cdot 23\)
Sign: $0.820 + 0.570i$
Analytic conductor: \(5.50967\)
Root analytic conductor: \(2.34727\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{690} (7, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 690,\ (\ :1/2),\ 0.820 + 0.570i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.57567 - 0.807646i\)
\(L(\frac12)\) \(\approx\) \(2.57567 - 0.807646i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-0.997 + 0.0713i)T \)
3 \( 1 + (-0.212 + 0.977i)T \)
5 \( 1 + (-0.855 - 2.06i)T \)
23 \( 1 + (-4.79 + 0.201i)T \)
good7 \( 1 + (-1.43 + 2.61i)T + (-3.78 - 5.88i)T^{2} \)
11 \( 1 + (-1.89 + 1.64i)T + (1.56 - 10.8i)T^{2} \)
13 \( 1 + (0.493 - 0.269i)T + (7.02 - 10.9i)T^{2} \)
17 \( 1 + (3.79 + 5.07i)T + (-4.78 + 16.3i)T^{2} \)
19 \( 1 + (-1.00 - 6.97i)T + (-18.2 + 5.35i)T^{2} \)
29 \( 1 + (-8.91 - 1.28i)T + (27.8 + 8.17i)T^{2} \)
31 \( 1 + (3.85 + 2.47i)T + (12.8 + 28.1i)T^{2} \)
37 \( 1 + (-1.50 - 4.03i)T + (-27.9 + 24.2i)T^{2} \)
41 \( 1 + (2.06 + 4.51i)T + (-26.8 + 30.9i)T^{2} \)
43 \( 1 + (-0.505 - 0.109i)T + (39.1 + 17.8i)T^{2} \)
47 \( 1 + (3.07 + 3.07i)T + 47iT^{2} \)
53 \( 1 + (12.4 + 6.79i)T + (28.6 + 44.5i)T^{2} \)
59 \( 1 + (1.37 - 4.67i)T + (-49.6 - 31.8i)T^{2} \)
61 \( 1 + (-1.62 + 2.52i)T + (-25.3 - 55.4i)T^{2} \)
67 \( 1 + (-1.11 - 15.5i)T + (-66.3 + 9.53i)T^{2} \)
71 \( 1 + (6.74 - 7.77i)T + (-10.1 - 70.2i)T^{2} \)
73 \( 1 + (8.43 + 6.31i)T + (20.5 + 70.0i)T^{2} \)
79 \( 1 + (0.503 + 0.147i)T + (66.4 + 42.7i)T^{2} \)
83 \( 1 + (-2.74 + 1.02i)T + (62.7 - 54.3i)T^{2} \)
89 \( 1 + (8.73 - 5.61i)T + (36.9 - 80.9i)T^{2} \)
97 \( 1 + (5.02 + 1.87i)T + (73.3 + 63.5i)T^{2} \)
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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

−10.59470311455013103975487545675, −9.735829039652695100504172658750, −8.486973672211916866321655501972, −7.39920160321178876714944970135, −6.87426994738300434010806361793, −6.05227161710819213964258488402, −4.87128194972684558027299755798, −3.71706661111657991355643811658, −2.72585335208820104525877977288, −1.38315768874775892605185667108, 1.73575377580004083582076145677, 2.90773736001586956661664571795, 4.51384788445265794488678972632, 4.79943254528092560307287216160, 5.85324733555256365978535307148, 6.77136550848997006698570880523, 8.178075360113445696806800803295, 8.917252260608019013184429874344, 9.474870292020000055206287297595, 10.73345520182447853036243672903

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