Properties

Label 2-14-1.1-c13-0-1
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 − 852.·3-s + 4.09e3·4-s + 2.68e4·5-s − 5.45e4·6-s − 1.17e5·7-s + 2.62e5·8-s − 8.68e5·9-s + 1.71e6·10-s + 1.14e7·11-s − 3.49e6·12-s + 2.15e7·13-s − 7.52e6·14-s − 2.28e7·15-s + 1.67e7·16-s + 1.20e8·17-s − 5.55e7·18-s − 9.08e7·19-s + 1.09e8·20-s + 1.00e8·21-s + 7.29e8·22-s + 1.07e9·23-s − 2.23e8·24-s − 5.02e8·25-s + 1.37e9·26-s + 2.09e9·27-s − 4.81e8·28-s + ⋯
L(s)  = 1  + 0.707·2-s − 0.674·3-s + 0.5·4-s + 0.767·5-s − 0.477·6-s − 0.377·7-s + 0.353·8-s − 0.544·9-s + 0.542·10-s + 1.94·11-s − 0.337·12-s + 1.23·13-s − 0.267·14-s − 0.517·15-s + 0.250·16-s + 1.20·17-s − 0.384·18-s − 0.442·19-s + 0.383·20-s + 0.255·21-s + 1.37·22-s + 1.51·23-s − 0.238·24-s − 0.411·25-s + 0.875·26-s + 1.04·27-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

\(L(7)\) \(\approx\) \(2.721953028\)
\(L(\frac12)\) \(\approx\) \(2.721953028\)
\(L(\frac{15}{2})\) 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 \( 1 + 852.T + 1.59e6T^{2} \)
5 \( 1 - 2.68e4T + 1.22e9T^{2} \)
11 \( 1 - 1.14e7T + 3.45e13T^{2} \)
13 \( 1 - 2.15e7T + 3.02e14T^{2} \)
17 \( 1 - 1.20e8T + 9.90e15T^{2} \)
19 \( 1 + 9.08e7T + 4.20e16T^{2} \)
23 \( 1 - 1.07e9T + 5.04e17T^{2} \)
29 \( 1 + 3.12e9T + 1.02e19T^{2} \)
31 \( 1 + 2.89e9T + 2.44e19T^{2} \)
37 \( 1 + 9.56e9T + 2.43e20T^{2} \)
41 \( 1 + 3.69e9T + 9.25e20T^{2} \)
43 \( 1 + 4.09e10T + 1.71e21T^{2} \)
47 \( 1 - 1.30e11T + 5.46e21T^{2} \)
53 \( 1 + 1.52e11T + 2.60e22T^{2} \)
59 \( 1 + 8.12e10T + 1.04e23T^{2} \)
61 \( 1 - 5.04e10T + 1.61e23T^{2} \)
67 \( 1 + 7.97e11T + 5.48e23T^{2} \)
71 \( 1 - 7.61e11T + 1.16e24T^{2} \)
73 \( 1 - 7.61e10T + 1.67e24T^{2} \)
79 \( 1 + 6.85e11T + 4.66e24T^{2} \)
83 \( 1 - 5.01e12T + 8.87e24T^{2} \)
89 \( 1 - 5.72e12T + 2.19e25T^{2} \)
97 \( 1 + 1.46e13T + 6.73e25T^{2} \)
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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

−16.59066243112664313295992909039, −14.74217677861886266067719379845, −13.62019152375843787741530662030, −12.13869661065416120997435127670, −10.95543501582612527549997294990, −9.143035437524972572979932043919, −6.55890438773098246956921348084, −5.62233172202848850906630404643, −3.57168253420461065984679219945, −1.31090780903897985860164092491, 1.31090780903897985860164092491, 3.57168253420461065984679219945, 5.62233172202848850906630404643, 6.55890438773098246956921348084, 9.143035437524972572979932043919, 10.95543501582612527549997294990, 12.13869661065416120997435127670, 13.62019152375843787741530662030, 14.74217677861886266067719379845, 16.59066243112664313295992909039

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