Properties

Label 2-14-1.1-c5-0-0
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 + 10·3-s + 16·4-s + 84·5-s − 40·6-s + 49·7-s − 64·8-s − 143·9-s − 336·10-s − 336·11-s + 160·12-s + 584·13-s − 196·14-s + 840·15-s + 256·16-s − 1.45e3·17-s + 572·18-s + 470·19-s + 1.34e3·20-s + 490·21-s + 1.34e3·22-s − 4.20e3·23-s − 640·24-s + 3.93e3·25-s − 2.33e3·26-s − 3.86e3·27-s + 784·28-s + ⋯
L(s)  = 1  − 0.707·2-s + 0.641·3-s + 1/2·4-s + 1.50·5-s − 0.453·6-s + 0.377·7-s − 0.353·8-s − 0.588·9-s − 1.06·10-s − 0.837·11-s + 0.320·12-s + 0.958·13-s − 0.267·14-s + 0.963·15-s + 1/4·16-s − 1.22·17-s + 0.416·18-s + 0.298·19-s + 0.751·20-s + 0.242·21-s + 0.592·22-s − 1.65·23-s − 0.226·24-s + 1.25·25-s − 0.677·26-s − 1.01·27-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

\(L(3)\) \(\approx\) \(1.298596538\)
\(L(\frac12)\) \(\approx\) \(1.298596538\)
\(L(\frac{7}{2})\) 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 \( 1 - 10 T + p^{5} T^{2} \)
5 \( 1 - 84 T + p^{5} T^{2} \)
11 \( 1 + 336 T + p^{5} T^{2} \)
13 \( 1 - 584 T + p^{5} T^{2} \)
17 \( 1 + 1458 T + p^{5} T^{2} \)
19 \( 1 - 470 T + p^{5} T^{2} \)
23 \( 1 + 4200 T + p^{5} T^{2} \)
29 \( 1 - 4866 T + p^{5} T^{2} \)
31 \( 1 + 7372 T + p^{5} T^{2} \)
37 \( 1 - 14330 T + p^{5} T^{2} \)
41 \( 1 - 6222 T + p^{5} T^{2} \)
43 \( 1 - 3704 T + p^{5} T^{2} \)
47 \( 1 + 1812 T + p^{5} T^{2} \)
53 \( 1 + 37242 T + p^{5} T^{2} \)
59 \( 1 - 34302 T + p^{5} T^{2} \)
61 \( 1 - 24476 T + p^{5} T^{2} \)
67 \( 1 + 17452 T + p^{5} T^{2} \)
71 \( 1 - 28224 T + p^{5} T^{2} \)
73 \( 1 - 3602 T + p^{5} T^{2} \)
79 \( 1 - 42872 T + p^{5} T^{2} \)
83 \( 1 + 35202 T + p^{5} T^{2} \)
89 \( 1 - 26730 T + p^{5} T^{2} \)
97 \( 1 + 16978 T + p^{5} T^{2} \)
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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

−18.22409149997367053031732153522, −17.64934176165743027115248287728, −16.03645682248407660920089837923, −14.34092229903959090081539461127, −13.28508242726398949406192968580, −10.98017894869982194784676185345, −9.529584197219974550608690543037, −8.262777881296668124181083957358, −5.97738936838904106726730651498, −2.23850347007247423417292537660, 2.23850347007247423417292537660, 5.97738936838904106726730651498, 8.262777881296668124181083957358, 9.529584197219974550608690543037, 10.98017894869982194784676185345, 13.28508242726398949406192968580, 14.34092229903959090081539461127, 16.03645682248407660920089837923, 17.64934176165743027115248287728, 18.22409149997367053031732153522

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