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Properties

Label 2-2646-63.16-c1-0-3
Degree $2$
Conductor $2646$
Sign $0.00844 - 0.999i$
Analytic cond. $21.1284$
Root an. cond. $4.59656$
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  + (−0.5 − 0.866i)2-s + (−0.499 + 0.866i)4-s + 1.37·5-s + 0.999·8-s + (−0.686 − 1.18i)10-s − 4.37·11-s + (−1 − 1.73i)13-s + (−0.5 − 0.866i)16-s + (−2.18 − 3.78i)17-s + (−2.5 + 4.33i)19-s + (−0.686 + 1.18i)20-s + (2.18 + 3.78i)22-s + 7.37·23-s − 3.11·25-s + (−0.999 + 1.73i)26-s + ⋯
L(s)  = 1  + (−0.353 − 0.612i)2-s + (−0.249 + 0.433i)4-s + 0.613·5-s + 0.353·8-s + (−0.216 − 0.375i)10-s − 1.31·11-s + (−0.277 − 0.480i)13-s + (−0.125 − 0.216i)16-s + (−0.530 − 0.918i)17-s + (−0.573 + 0.993i)19-s + (−0.153 + 0.265i)20-s + (0.466 + 0.807i)22-s + 1.53·23-s − 0.623·25-s + (−0.196 + 0.339i)26-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2646 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.00844 - 0.999i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2646 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.00844 - 0.999i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2646\)    =    \(2 \cdot 3^{3} \cdot 7^{2}\)
Sign: $0.00844 - 0.999i$
Analytic conductor: \(21.1284\)
Root analytic conductor: \(4.59656\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{2646} (667, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 2646,\ (\ :1/2),\ 0.00844 - 0.999i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.5615964589\)
\(L(\frac12)\) \(\approx\) \(0.5615964589\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (0.5 + 0.866i)T \)
3 \( 1 \)
7 \( 1 \)
good5 \( 1 - 1.37T + 5T^{2} \)
11 \( 1 + 4.37T + 11T^{2} \)
13 \( 1 + (1 + 1.73i)T + (-6.5 + 11.2i)T^{2} \)
17 \( 1 + (2.18 + 3.78i)T + (-8.5 + 14.7i)T^{2} \)
19 \( 1 + (2.5 - 4.33i)T + (-9.5 - 16.4i)T^{2} \)
23 \( 1 - 7.37T + 23T^{2} \)
29 \( 1 + (-1.37 + 2.37i)T + (-14.5 - 25.1i)T^{2} \)
31 \( 1 + (1 - 1.73i)T + (-15.5 - 26.8i)T^{2} \)
37 \( 1 + (1 - 1.73i)T + (-18.5 - 32.0i)T^{2} \)
41 \( 1 + (-5.18 - 8.98i)T + (-20.5 + 35.5i)T^{2} \)
43 \( 1 + (4.55 - 7.89i)T + (-21.5 - 37.2i)T^{2} \)
47 \( 1 + (-23.5 + 40.7i)T^{2} \)
53 \( 1 + (-1.37 - 2.37i)T + (-26.5 + 45.8i)T^{2} \)
59 \( 1 + (-3.55 + 6.16i)T + (-29.5 - 51.0i)T^{2} \)
61 \( 1 + (-7.05 - 12.2i)T + (-30.5 + 52.8i)T^{2} \)
67 \( 1 + (7.55 - 13.0i)T + (-33.5 - 58.0i)T^{2} \)
71 \( 1 + 10.1T + 71T^{2} \)
73 \( 1 + (-2.55 - 4.43i)T + (-36.5 + 63.2i)T^{2} \)
79 \( 1 + (6.05 + 10.4i)T + (-39.5 + 68.4i)T^{2} \)
83 \( 1 + (2.74 - 4.75i)T + (-41.5 - 71.8i)T^{2} \)
89 \( 1 + (-1.62 + 2.81i)T + (-44.5 - 77.0i)T^{2} \)
97 \( 1 + (4.55 - 7.89i)T + (-48.5 - 84.0i)T^{2} \)
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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

−9.158858435224258225375660079900, −8.343896183526873588293814712339, −7.70882452233146566251372219938, −6.88675086298368023234287618994, −5.83893999500945276131969018199, −5.11973514008131197406916928648, −4.30515652591084021932677459827, −2.95396688870024918370384768281, −2.52317121671990798366730550905, −1.26947623361411500611525474621, 0.20493618669316302752020384876, 1.84311554275932517399960778460, 2.67074769297286086357467852376, 4.03275428007483714887243676968, 5.03840790656427580564315476546, 5.52962542914639412817328140813, 6.51644988432927878738453922655, 7.09198081483652122668391687793, 7.890173656907791651764430681535, 8.796568010237970385082736707457

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