Properties

Label 2-14-1.1-c17-0-7
Degree $2$
Conductor $14$
Sign $-1$
Analytic cond. $25.6510$
Root an. cond. $5.06469$
Motivic weight $17$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 256·2-s + 4.62e3·3-s + 6.55e4·4-s − 8.51e5·5-s + 1.18e6·6-s + 5.76e6·7-s + 1.67e7·8-s − 1.07e8·9-s − 2.18e8·10-s − 5.86e8·11-s + 3.03e8·12-s − 1.04e9·13-s + 1.47e9·14-s − 3.93e9·15-s + 4.29e9·16-s − 1.71e10·17-s − 2.75e10·18-s − 3.52e10·19-s − 5.58e10·20-s + 2.66e10·21-s − 1.50e11·22-s + 2.26e11·23-s + 7.76e10·24-s − 3.75e10·25-s − 2.66e11·26-s − 1.09e12·27-s + 3.77e11·28-s + ⋯
L(s)  = 1  + 0.707·2-s + 0.407·3-s + 1/2·4-s − 0.975·5-s + 0.287·6-s + 0.377·7-s + 0.353·8-s − 0.834·9-s − 0.689·10-s − 0.824·11-s + 0.203·12-s − 0.354·13-s + 0.267·14-s − 0.396·15-s + 1/4·16-s − 0.597·17-s − 0.589·18-s − 0.476·19-s − 0.487·20-s + 0.153·21-s − 0.582·22-s + 0.602·23-s + 0.143·24-s − 0.0492·25-s − 0.250·26-s − 0.746·27-s + 0.188·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 14 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(18-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 14 ^{s/2} \, \Gamma_{\C}(s+17/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(14\)    =    \(2 \cdot 7\)
Sign: $-1$
Analytic conductor: \(25.6510\)
Root analytic conductor: \(5.06469\)
Motivic weight: \(17\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 14,\ (\ :17/2),\ -1)\)

Particular Values

\(L(9)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{19}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - p^{8} T \)
7 \( 1 - p^{8} T \)
good3 \( 1 - 514 p^{2} T + p^{17} T^{2} \)
5 \( 1 + 34068 p^{2} T + p^{17} T^{2} \)
11 \( 1 + 586048992 T + p^{17} T^{2} \)
13 \( 1 + 80228176 p T + p^{17} T^{2} \)
17 \( 1 + 17187488802 T + p^{17} T^{2} \)
19 \( 1 + 35251814482 T + p^{17} T^{2} \)
23 \( 1 - 226463988840 T + p^{17} T^{2} \)
29 \( 1 + 3381208637406 T + p^{17} T^{2} \)
31 \( 1 - 257228086436 T + p^{17} T^{2} \)
37 \( 1 + 40457204426662 T + p^{17} T^{2} \)
41 \( 1 + 29013168626274 T + p^{17} T^{2} \)
43 \( 1 - 12667778737448 T + p^{17} T^{2} \)
47 \( 1 - 129865524636 p^{2} T + p^{17} T^{2} \)
53 \( 1 - 564480420537078 T + p^{17} T^{2} \)
59 \( 1 - 1802377718625462 T + p^{17} T^{2} \)
61 \( 1 + 668064962693740 T + p^{17} T^{2} \)
67 \( 1 - 332890586370548 T + p^{17} T^{2} \)
71 \( 1 - 4451829225077376 T + p^{17} T^{2} \)
73 \( 1 + 6135974687950990 T + p^{17} T^{2} \)
79 \( 1 - 778901092563704 T + p^{17} T^{2} \)
83 \( 1 + 107044950027918 p T + p^{17} T^{2} \)
89 \( 1 - 29468733723774090 T + p^{17} T^{2} \)
97 \( 1 + 44579205354290530 T + p^{17} T^{2} \)
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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

−14.77902735687323229252001986844, −13.42937673378120912124336644627, −11.97426562821535849017684780304, −10.83680254819668421844796156003, −8.588114800693531103090252831258, −7.33237479472884021318513679667, −5.32520000022654732457145487690, −3.79854542067393623627951491960, −2.36888658027127046342327345811, 0, 2.36888658027127046342327345811, 3.79854542067393623627951491960, 5.32520000022654732457145487690, 7.33237479472884021318513679667, 8.588114800693531103090252831258, 10.83680254819668421844796156003, 11.97426562821535849017684780304, 13.42937673378120912124336644627, 14.77902735687323229252001986844

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