Properties

Label 2-76-1.1-c7-0-2
Degree $2$
Conductor $76$
Sign $1$
Analytic cond. $23.7412$
Root an. cond. $4.87250$
Motivic weight $7$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 20.7·3-s − 501.·5-s − 1.00e3·7-s − 1.75e3·9-s + 6.78e3·11-s + 1.02e4·13-s − 1.03e4·15-s + 2.78e4·17-s + 6.85e3·19-s − 2.09e4·21-s + 4.35e3·23-s + 1.73e5·25-s − 8.17e4·27-s − 1.71e5·29-s − 1.07e5·31-s + 1.40e5·33-s + 5.05e5·35-s + 4.89e5·37-s + 2.12e5·39-s + 2.59e4·41-s + 1.89e5·43-s + 8.80e5·45-s − 4.04e5·47-s + 1.92e5·49-s + 5.77e5·51-s + 1.48e6·53-s − 3.40e6·55-s + ⋯
L(s)  = 1  + 0.443·3-s − 1.79·5-s − 1.11·7-s − 0.803·9-s + 1.53·11-s + 1.29·13-s − 0.795·15-s + 1.37·17-s + 0.229·19-s − 0.492·21-s + 0.0745·23-s + 2.21·25-s − 0.799·27-s − 1.30·29-s − 0.645·31-s + 0.681·33-s + 1.99·35-s + 1.58·37-s + 0.573·39-s + 0.0587·41-s + 0.363·43-s + 1.44·45-s − 0.568·47-s + 0.233·49-s + 0.609·51-s + 1.36·53-s − 2.75·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 76 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 76 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(76\)    =    \(2^{2} \cdot 19\)
Sign: $1$
Analytic conductor: \(23.7412\)
Root analytic conductor: \(4.87250\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 76,\ (\ :7/2),\ 1)\)

Particular Values

\(L(4)\) \(\approx\) \(1.359398761\)
\(L(\frac12)\) \(\approx\) \(1.359398761\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
19 \( 1 - 6.85e3T \)
good3 \( 1 - 20.7T + 2.18e3T^{2} \)
5 \( 1 + 501.T + 7.81e4T^{2} \)
7 \( 1 + 1.00e3T + 8.23e5T^{2} \)
11 \( 1 - 6.78e3T + 1.94e7T^{2} \)
13 \( 1 - 1.02e4T + 6.27e7T^{2} \)
17 \( 1 - 2.78e4T + 4.10e8T^{2} \)
23 \( 1 - 4.35e3T + 3.40e9T^{2} \)
29 \( 1 + 1.71e5T + 1.72e10T^{2} \)
31 \( 1 + 1.07e5T + 2.75e10T^{2} \)
37 \( 1 - 4.89e5T + 9.49e10T^{2} \)
41 \( 1 - 2.59e4T + 1.94e11T^{2} \)
43 \( 1 - 1.89e5T + 2.71e11T^{2} \)
47 \( 1 + 4.04e5T + 5.06e11T^{2} \)
53 \( 1 - 1.48e6T + 1.17e12T^{2} \)
59 \( 1 - 8.34e5T + 2.48e12T^{2} \)
61 \( 1 + 3.44e5T + 3.14e12T^{2} \)
67 \( 1 - 2.08e6T + 6.06e12T^{2} \)
71 \( 1 - 2.08e6T + 9.09e12T^{2} \)
73 \( 1 + 1.99e6T + 1.10e13T^{2} \)
79 \( 1 + 4.22e6T + 1.92e13T^{2} \)
83 \( 1 - 5.66e6T + 2.71e13T^{2} \)
89 \( 1 - 1.04e7T + 4.42e13T^{2} \)
97 \( 1 + 1.45e7T + 8.07e13T^{2} \)
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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

−12.96092492628838036557267327373, −11.84164094138381605325484526712, −11.19599159845887946454176349245, −9.423487801949890719866612780021, −8.482709290860602908621699207172, −7.38301485754590710144456040696, −6.04694164979073317308391147589, −3.79801490038615456046475074895, −3.39095682141689116028038862073, −0.76093887302894872095068258384, 0.76093887302894872095068258384, 3.39095682141689116028038862073, 3.79801490038615456046475074895, 6.04694164979073317308391147589, 7.38301485754590710144456040696, 8.482709290860602908621699207172, 9.423487801949890719866612780021, 11.19599159845887946454176349245, 11.84164094138381605325484526712, 12.96092492628838036557267327373

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