Properties

Label 2-684-19.18-c4-0-17
Degree $2$
Conductor $684$
Sign $1$
Analytic cond. $70.7050$
Root an. cond. $8.40862$
Motivic weight $4$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 7.23·5-s − 93.1·7-s + 169.·11-s + 534.·17-s − 361·19-s − 1.04e3·23-s − 572.·25-s − 673.·35-s − 800.·43-s + 3.17e3·47-s + 6.27e3·49-s + 1.22e3·55-s + 7.41e3·61-s + 1.90e3·73-s − 1.57e4·77-s + 1.25e4·83-s + 3.86e3·85-s − 2.61e3·95-s + 1.77e4·101-s − 7.56e3·115-s − 4.97e4·119-s + ⋯
L(s)  = 1  + 0.289·5-s − 1.90·7-s + 1.39·11-s + 1.84·17-s − 19-s − 1.97·23-s − 0.916·25-s − 0.549·35-s − 0.433·43-s + 1.43·47-s + 2.61·49-s + 0.404·55-s + 1.99·61-s + 0.356·73-s − 2.65·77-s + 1.82·83-s + 0.535·85-s − 0.289·95-s + 1.74·101-s − 0.572·115-s − 3.51·119-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(5-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s+2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(684\)    =    \(2^{2} \cdot 3^{2} \cdot 19\)
Sign: $1$
Analytic conductor: \(70.7050\)
Root analytic conductor: \(8.40862\)
Motivic weight: \(4\)
Rational: no
Arithmetic: yes
Character: $\chi_{684} (37, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 684,\ (\ :2),\ 1)\)

Particular Values

\(L(\frac{5}{2})\) \(\approx\) \(1.616349182\)
\(L(\frac12)\) \(\approx\) \(1.616349182\)
\(L(3)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 \)
19 \( 1 + 361T \)
good5 \( 1 - 7.23T + 625T^{2} \)
7 \( 1 + 93.1T + 2.40e3T^{2} \)
11 \( 1 - 169.T + 1.46e4T^{2} \)
13 \( 1 - 2.85e4T^{2} \)
17 \( 1 - 534.T + 8.35e4T^{2} \)
23 \( 1 + 1.04e3T + 2.79e5T^{2} \)
29 \( 1 - 7.07e5T^{2} \)
31 \( 1 - 9.23e5T^{2} \)
37 \( 1 - 1.87e6T^{2} \)
41 \( 1 - 2.82e6T^{2} \)
43 \( 1 + 800.T + 3.41e6T^{2} \)
47 \( 1 - 3.17e3T + 4.87e6T^{2} \)
53 \( 1 - 7.89e6T^{2} \)
59 \( 1 - 1.21e7T^{2} \)
61 \( 1 - 7.41e3T + 1.38e7T^{2} \)
67 \( 1 - 2.01e7T^{2} \)
71 \( 1 - 2.54e7T^{2} \)
73 \( 1 - 1.90e3T + 2.83e7T^{2} \)
79 \( 1 - 3.89e7T^{2} \)
83 \( 1 - 1.25e4T + 4.74e7T^{2} \)
89 \( 1 - 6.27e7T^{2} \)
97 \( 1 - 8.85e7T^{2} \)
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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

−9.831354033228673322601474955841, −9.313091242272222981563338649979, −8.215307077838519363522660346349, −7.08389391302658207518274607788, −6.20144199390389984280719615219, −5.79124359432111309517590110173, −3.98836464322773556253195689407, −3.48099822564587284079115598994, −2.10567316538357749232164367897, −0.64399365800456591011330930648, 0.64399365800456591011330930648, 2.10567316538357749232164367897, 3.48099822564587284079115598994, 3.98836464322773556253195689407, 5.79124359432111309517590110173, 6.20144199390389984280719615219, 7.08389391302658207518274607788, 8.215307077838519363522660346349, 9.313091242272222981563338649979, 9.831354033228673322601474955841

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