Properties

Label 2-14-1.1-c5-0-1
Degree $2$
Conductor $14$
Sign $1$
Analytic cond. $2.24537$
Root an. cond. $1.49845$
Motivic weight $5$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 4·2-s + 8·3-s + 16·4-s + 10·5-s + 32·6-s − 49·7-s + 64·8-s − 179·9-s + 40·10-s − 340·11-s + 128·12-s − 294·13-s − 196·14-s + 80·15-s + 256·16-s + 1.22e3·17-s − 716·18-s + 2.43e3·19-s + 160·20-s − 392·21-s − 1.36e3·22-s + 2.00e3·23-s + 512·24-s − 3.02e3·25-s − 1.17e3·26-s − 3.37e3·27-s − 784·28-s + ⋯
L(s)  = 1  + 0.707·2-s + 0.513·3-s + 1/2·4-s + 0.178·5-s + 0.362·6-s − 0.377·7-s + 0.353·8-s − 0.736·9-s + 0.126·10-s − 0.847·11-s + 0.256·12-s − 0.482·13-s − 0.267·14-s + 0.0918·15-s + 1/4·16-s + 1.02·17-s − 0.520·18-s + 1.54·19-s + 0.0894·20-s − 0.193·21-s − 0.599·22-s + 0.788·23-s + 0.181·24-s − 0.967·25-s − 0.341·26-s − 0.891·27-s − 0.188·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 14 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 14 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(14\)    =    \(2 \cdot 7\)
Sign: $1$
Analytic conductor: \(2.24537\)
Root analytic conductor: \(1.49845\)
Motivic weight: \(5\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 14,\ (\ :5/2),\ 1)\)

Particular Values

\(L(3)\) \(\approx\) \(1.965737277\)
\(L(\frac12)\) \(\approx\) \(1.965737277\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - p^{2} T \)
7 \( 1 + p^{2} T \)
good3 \( 1 - 8 T + p^{5} T^{2} \)
5 \( 1 - 2 p T + p^{5} T^{2} \)
11 \( 1 + 340 T + p^{5} T^{2} \)
13 \( 1 + 294 T + p^{5} T^{2} \)
17 \( 1 - 1226 T + p^{5} T^{2} \)
19 \( 1 - 128 p T + p^{5} T^{2} \)
23 \( 1 - 2000 T + p^{5} T^{2} \)
29 \( 1 + 6746 T + p^{5} T^{2} \)
31 \( 1 - 8856 T + p^{5} T^{2} \)
37 \( 1 - 9182 T + p^{5} T^{2} \)
41 \( 1 + 14574 T + p^{5} T^{2} \)
43 \( 1 - 8108 T + p^{5} T^{2} \)
47 \( 1 + 312 T + p^{5} T^{2} \)
53 \( 1 + 14634 T + p^{5} T^{2} \)
59 \( 1 + 27656 T + p^{5} T^{2} \)
61 \( 1 - 34338 T + p^{5} T^{2} \)
67 \( 1 - 12316 T + p^{5} T^{2} \)
71 \( 1 - 520 p T + p^{5} T^{2} \)
73 \( 1 + 61718 T + p^{5} T^{2} \)
79 \( 1 + 64752 T + p^{5} T^{2} \)
83 \( 1 + 77056 T + p^{5} T^{2} \)
89 \( 1 + 8166 T + p^{5} T^{2} \)
97 \( 1 - 20650 T + p^{5} T^{2} \)
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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

−18.82013620948375146079219521011, −17.04989314969958396275275151463, −15.60924522120988394847505812461, −14.31295896588001224903037778226, −13.22546256367041393676775777725, −11.66296854692920815464762279104, −9.767751901650786651119530298980, −7.71778567378258372481301141794, −5.53143925643359300485509392931, −3.00868916649922978616976932493, 3.00868916649922978616976932493, 5.53143925643359300485509392931, 7.71778567378258372481301141794, 9.767751901650786651119530298980, 11.66296854692920815464762279104, 13.22546256367041393676775777725, 14.31295896588001224903037778226, 15.60924522120988394847505812461, 17.04989314969958396275275151463, 18.82013620948375146079219521011

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