Properties

Label 2-14-1.1-c13-0-2
Degree $2$
Conductor $14$
Sign $1$
Analytic cond. $15.0123$
Root an. cond. $3.87457$
Motivic weight $13$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 64·2-s + 1.10e3·3-s + 4.09e3·4-s + 5.58e4·5-s − 7.09e4·6-s + 1.17e5·7-s − 2.62e5·8-s − 3.64e5·9-s − 3.57e6·10-s + 6.34e6·11-s + 4.54e6·12-s − 3.04e7·13-s − 7.52e6·14-s + 6.19e7·15-s + 1.67e7·16-s + 1.90e8·17-s + 2.33e7·18-s + 2.23e8·19-s + 2.28e8·20-s + 1.30e8·21-s − 4.05e8·22-s − 2.75e8·23-s − 2.90e8·24-s + 1.90e9·25-s + 1.94e9·26-s − 2.17e9·27-s + 4.81e8·28-s + ⋯
L(s)  = 1  − 0.707·2-s + 0.878·3-s + 0.5·4-s + 1.59·5-s − 0.620·6-s + 0.377·7-s − 0.353·8-s − 0.228·9-s − 1.13·10-s + 1.07·11-s + 0.439·12-s − 1.74·13-s − 0.267·14-s + 1.40·15-s + 0.250·16-s + 1.90·17-s + 0.161·18-s + 1.08·19-s + 0.799·20-s + 0.331·21-s − 0.763·22-s − 0.387·23-s − 0.310·24-s + 1.55·25-s + 1.23·26-s − 1.07·27-s + 0.188·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 14 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(14-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 14 ^{s/2} \, \Gamma_{\C}(s+13/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(14\)    =    \(2 \cdot 7\)
Sign: $1$
Analytic conductor: \(15.0123\)
Root analytic conductor: \(3.87457\)
Motivic weight: \(13\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 14,\ (\ :13/2),\ 1)\)

Particular Values

\(L(7)\) \(\approx\) \(2.391591816\)
\(L(\frac12)\) \(\approx\) \(2.391591816\)
\(L(\frac{15}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + 64T \)
7 \( 1 - 1.17e5T \)
good3 \( 1 - 1.10e3T + 1.59e6T^{2} \)
5 \( 1 - 5.58e4T + 1.22e9T^{2} \)
11 \( 1 - 6.34e6T + 3.45e13T^{2} \)
13 \( 1 + 3.04e7T + 3.02e14T^{2} \)
17 \( 1 - 1.90e8T + 9.90e15T^{2} \)
19 \( 1 - 2.23e8T + 4.20e16T^{2} \)
23 \( 1 + 2.75e8T + 5.04e17T^{2} \)
29 \( 1 + 1.75e9T + 1.02e19T^{2} \)
31 \( 1 - 3.31e9T + 2.44e19T^{2} \)
37 \( 1 + 6.03e9T + 2.43e20T^{2} \)
41 \( 1 - 3.70e10T + 9.25e20T^{2} \)
43 \( 1 + 9.97e9T + 1.71e21T^{2} \)
47 \( 1 - 9.22e10T + 5.46e21T^{2} \)
53 \( 1 + 1.82e11T + 2.60e22T^{2} \)
59 \( 1 + 9.53e10T + 1.04e23T^{2} \)
61 \( 1 + 1.55e11T + 1.61e23T^{2} \)
67 \( 1 + 3.27e11T + 5.48e23T^{2} \)
71 \( 1 + 1.50e12T + 1.16e24T^{2} \)
73 \( 1 - 6.71e11T + 1.67e24T^{2} \)
79 \( 1 + 2.82e12T + 4.66e24T^{2} \)
83 \( 1 + 1.88e12T + 8.87e24T^{2} \)
89 \( 1 + 7.04e9T + 2.19e25T^{2} \)
97 \( 1 - 1.02e12T + 6.73e25T^{2} \)
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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

−16.85919165503121449170139691220, −14.56420954578669134812072842553, −14.08468152455767563055538248503, −12.07090609018367119565433109264, −9.927883485928901000490812533613, −9.273817844851678909029607325188, −7.57375133227925065564901946608, −5.64920381359401383660278200266, −2.76894724655451530084241449582, −1.44925018076931525744061969641, 1.44925018076931525744061969641, 2.76894724655451530084241449582, 5.64920381359401383660278200266, 7.57375133227925065564901946608, 9.273817844851678909029607325188, 9.927883485928901000490812533613, 12.07090609018367119565433109264, 14.08468152455767563055538248503, 14.56420954578669134812072842553, 16.85919165503121449170139691220

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