Properties

Label 2-14-1.1-c7-0-3
Degree $2$
Conductor $14$
Sign $-1$
Analytic cond. $4.37339$
Root an. cond. $2.09126$
Motivic weight $7$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 8·2-s − 66·3-s + 64·4-s − 400·5-s − 528·6-s − 343·7-s + 512·8-s + 2.16e3·9-s − 3.20e3·10-s + 40·11-s − 4.22e3·12-s − 4.45e3·13-s − 2.74e3·14-s + 2.64e4·15-s + 4.09e3·16-s + 3.65e4·17-s + 1.73e4·18-s − 4.62e4·19-s − 2.56e4·20-s + 2.26e4·21-s + 320·22-s − 1.05e5·23-s − 3.37e4·24-s + 8.18e4·25-s − 3.56e4·26-s + 1.18e3·27-s − 2.19e4·28-s + ⋯
L(s)  = 1  + 0.707·2-s − 1.41·3-s + 1/2·4-s − 1.43·5-s − 0.997·6-s − 0.377·7-s + 0.353·8-s + 0.991·9-s − 1.01·10-s + 0.00906·11-s − 0.705·12-s − 0.562·13-s − 0.267·14-s + 2.01·15-s + 1/4·16-s + 1.80·17-s + 0.701·18-s − 1.54·19-s − 0.715·20-s + 0.533·21-s + 0.00640·22-s − 1.80·23-s − 0.498·24-s + 1.04·25-s − 0.397·26-s + 0.0116·27-s − 0.188·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 14 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 14 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(14\)    =    \(2 \cdot 7\)
Sign: $-1$
Analytic conductor: \(4.37339\)
Root analytic conductor: \(2.09126\)
Motivic weight: \(7\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 14,\ (\ :7/2),\ -1)\)

Particular Values

\(L(4)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - p^{3} T \)
7 \( 1 + p^{3} T \)
good3 \( 1 + 22 p T + p^{7} T^{2} \)
5 \( 1 + 16 p^{2} T + p^{7} T^{2} \)
11 \( 1 - 40 T + p^{7} T^{2} \)
13 \( 1 + 4452 T + p^{7} T^{2} \)
17 \( 1 - 36502 T + p^{7} T^{2} \)
19 \( 1 + 46222 T + p^{7} T^{2} \)
23 \( 1 + 105200 T + p^{7} T^{2} \)
29 \( 1 + 126334 T + p^{7} T^{2} \)
31 \( 1 + 170964 T + p^{7} T^{2} \)
37 \( 1 - 20954 T + p^{7} T^{2} \)
41 \( 1 - 318486 T + p^{7} T^{2} \)
43 \( 1 - 1808 p T + p^{7} T^{2} \)
47 \( 1 - 703716 T + p^{7} T^{2} \)
53 \( 1 - 1603278 T + p^{7} T^{2} \)
59 \( 1 + 1171894 T + p^{7} T^{2} \)
61 \( 1 + 2068872 T + p^{7} T^{2} \)
67 \( 1 + 994268 T + p^{7} T^{2} \)
71 \( 1 - 33280 T + p^{7} T^{2} \)
73 \( 1 + 2971454 T + p^{7} T^{2} \)
79 \( 1 + 2376168 T + p^{7} T^{2} \)
83 \( 1 + 2122358 T + p^{7} T^{2} \)
89 \( 1 - 6920346 T + p^{7} T^{2} \)
97 \( 1 - 4952710 T + p^{7} T^{2} \)
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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

−16.88503150564716725464755407845, −16.10039473826597491261865690973, −14.75392766028328483280998484897, −12.48549407677670259738620575293, −11.87544182366393410651459128700, −10.55379886221868104998948132922, −7.54686323829736684014272204514, −5.82393822027333618120313889800, −4.05674692114638979902967166087, 0, 4.05674692114638979902967166087, 5.82393822027333618120313889800, 7.54686323829736684014272204514, 10.55379886221868104998948132922, 11.87544182366393410651459128700, 12.48549407677670259738620575293, 14.75392766028328483280998484897, 16.10039473826597491261865690973, 16.88503150564716725464755407845

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