Properties

Label 2-13-1.1-c7-0-2
Degree $2$
Conductor $13$
Sign $1$
Analytic cond. $4.06100$
Root an. cond. $2.01519$
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  + 16.6·2-s − 6.69·3-s + 150.·4-s + 406.·5-s − 111.·6-s − 315.·7-s + 370.·8-s − 2.14e3·9-s + 6.78e3·10-s − 491.·11-s − 1.00e3·12-s − 2.19e3·13-s − 5.25e3·14-s − 2.72e3·15-s − 1.30e4·16-s − 1.77e4·17-s − 3.57e4·18-s + 3.23e4·19-s + 6.11e4·20-s + 2.11e3·21-s − 8.20e3·22-s + 7.06e4·23-s − 2.48e3·24-s + 8.73e4·25-s − 3.66e4·26-s + 2.89e4·27-s − 4.73e4·28-s + ⋯
L(s)  = 1  + 1.47·2-s − 0.143·3-s + 1.17·4-s + 1.45·5-s − 0.210·6-s − 0.347·7-s + 0.256·8-s − 0.979·9-s + 2.14·10-s − 0.111·11-s − 0.167·12-s − 0.277·13-s − 0.512·14-s − 0.208·15-s − 0.796·16-s − 0.877·17-s − 1.44·18-s + 1.08·19-s + 1.70·20-s + 0.0497·21-s − 0.164·22-s + 1.21·23-s − 0.0366·24-s + 1.11·25-s − 0.408·26-s + 0.283·27-s − 0.407·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 13 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 13 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(13\)
Sign: $1$
Analytic conductor: \(4.06100\)
Root analytic conductor: \(2.01519\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 13,\ (\ :7/2),\ 1)\)

Particular Values

\(L(4)\) \(\approx\) \(3.017273810\)
\(L(\frac12)\) \(\approx\) \(3.017273810\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad13 \( 1 + 2.19e3T \)
good2 \( 1 - 16.6T + 128T^{2} \)
3 \( 1 + 6.69T + 2.18e3T^{2} \)
5 \( 1 - 406.T + 7.81e4T^{2} \)
7 \( 1 + 315.T + 8.23e5T^{2} \)
11 \( 1 + 491.T + 1.94e7T^{2} \)
17 \( 1 + 1.77e4T + 4.10e8T^{2} \)
19 \( 1 - 3.23e4T + 8.93e8T^{2} \)
23 \( 1 - 7.06e4T + 3.40e9T^{2} \)
29 \( 1 + 1.92e5T + 1.72e10T^{2} \)
31 \( 1 - 2.47e5T + 2.75e10T^{2} \)
37 \( 1 - 5.93e5T + 9.49e10T^{2} \)
41 \( 1 - 2.12e5T + 1.94e11T^{2} \)
43 \( 1 + 8.22e5T + 2.71e11T^{2} \)
47 \( 1 - 4.95e4T + 5.06e11T^{2} \)
53 \( 1 - 7.93e5T + 1.17e12T^{2} \)
59 \( 1 - 1.26e5T + 2.48e12T^{2} \)
61 \( 1 + 1.77e6T + 3.14e12T^{2} \)
67 \( 1 - 3.74e4T + 6.06e12T^{2} \)
71 \( 1 - 4.96e6T + 9.09e12T^{2} \)
73 \( 1 + 1.85e6T + 1.10e13T^{2} \)
79 \( 1 - 6.07e6T + 1.92e13T^{2} \)
83 \( 1 + 5.68e6T + 2.71e13T^{2} \)
89 \( 1 + 2.92e6T + 4.42e13T^{2} \)
97 \( 1 + 4.72e6T + 8.07e13T^{2} \)
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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

−18.05679665927669408186667886240, −16.80026399135479113004494625496, −15.01871169722274080196698145152, −13.81999604744391811100240295971, −13.04623553600852369336762826649, −11.38085626458845897575874070244, −9.410045318746754653040104693118, −6.35222301081581603146571835495, −5.20461931369148176117106558577, −2.73096935418242692026590505055, 2.73096935418242692026590505055, 5.20461931369148176117106558577, 6.35222301081581603146571835495, 9.410045318746754653040104693118, 11.38085626458845897575874070244, 13.04623553600852369336762826649, 13.81999604744391811100240295971, 15.01871169722274080196698145152, 16.80026399135479113004494625496, 18.05679665927669408186667886240

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