Properties

Label 2-688-1.1-c5-0-26
Degree $2$
Conductor $688$
Sign $1$
Analytic cond. $110.344$
Root an. cond. $10.5044$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 16.8·3-s + 47.4·5-s − 67.4·7-s + 42.2·9-s − 81.3·11-s + 1.05e3·13-s − 801.·15-s + 251.·17-s − 1.61e3·19-s + 1.13e3·21-s + 32.7·23-s − 872.·25-s + 3.39e3·27-s − 2.58e3·29-s + 7.20e3·31-s + 1.37e3·33-s − 3.20e3·35-s − 6.17e3·37-s − 1.78e4·39-s + 1.55e4·41-s − 1.84e3·43-s + 2.00e3·45-s + 1.69e3·47-s − 1.22e4·49-s − 4.24e3·51-s − 2.56e4·53-s − 3.86e3·55-s + ⋯
L(s)  = 1  − 1.08·3-s + 0.849·5-s − 0.520·7-s + 0.173·9-s − 0.202·11-s + 1.73·13-s − 0.919·15-s + 0.210·17-s − 1.02·19-s + 0.563·21-s + 0.0129·23-s − 0.279·25-s + 0.895·27-s − 0.570·29-s + 1.34·31-s + 0.219·33-s − 0.441·35-s − 0.741·37-s − 1.88·39-s + 1.44·41-s − 0.152·43-s + 0.147·45-s + 0.111·47-s − 0.729·49-s − 0.228·51-s − 1.25·53-s − 0.172·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 688 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 688 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(688\)    =    \(2^{4} \cdot 43\)
Sign: $1$
Analytic conductor: \(110.344\)
Root analytic conductor: \(10.5044\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 688,\ (\ :5/2),\ 1)\)

Particular Values

\(L(3)\) \(\approx\) \(1.392417133\)
\(L(\frac12)\) \(\approx\) \(1.392417133\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
43 \( 1 + 1.84e3T \)
good3 \( 1 + 16.8T + 243T^{2} \)
5 \( 1 - 47.4T + 3.12e3T^{2} \)
7 \( 1 + 67.4T + 1.68e4T^{2} \)
11 \( 1 + 81.3T + 1.61e5T^{2} \)
13 \( 1 - 1.05e3T + 3.71e5T^{2} \)
17 \( 1 - 251.T + 1.41e6T^{2} \)
19 \( 1 + 1.61e3T + 2.47e6T^{2} \)
23 \( 1 - 32.7T + 6.43e6T^{2} \)
29 \( 1 + 2.58e3T + 2.05e7T^{2} \)
31 \( 1 - 7.20e3T + 2.86e7T^{2} \)
37 \( 1 + 6.17e3T + 6.93e7T^{2} \)
41 \( 1 - 1.55e4T + 1.15e8T^{2} \)
47 \( 1 - 1.69e3T + 2.29e8T^{2} \)
53 \( 1 + 2.56e4T + 4.18e8T^{2} \)
59 \( 1 + 2.45e4T + 7.14e8T^{2} \)
61 \( 1 - 8.20e3T + 8.44e8T^{2} \)
67 \( 1 - 1.23e4T + 1.35e9T^{2} \)
71 \( 1 + 1.87e4T + 1.80e9T^{2} \)
73 \( 1 + 1.21e4T + 2.07e9T^{2} \)
79 \( 1 - 5.23e4T + 3.07e9T^{2} \)
83 \( 1 + 2.89e4T + 3.93e9T^{2} \)
89 \( 1 - 1.17e5T + 5.58e9T^{2} \)
97 \( 1 + 1.47e5T + 8.58e9T^{2} \)
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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

−9.855105017681873830244910348180, −8.938269617005337826652094160848, −8.037972672456992679836642824765, −6.55419214905611900576247376318, −6.16583248028176961358429973963, −5.50065973294948712000809873783, −4.32448222822699516067872240714, −3.09876683216778981539007243232, −1.73340381601177078228900649807, −0.59534091218881285753932318848, 0.59534091218881285753932318848, 1.73340381601177078228900649807, 3.09876683216778981539007243232, 4.32448222822699516067872240714, 5.50065973294948712000809873783, 6.16583248028176961358429973963, 6.55419214905611900576247376318, 8.037972672456992679836642824765, 8.938269617005337826652094160848, 9.855105017681873830244910348180

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