Properties

Label 2-387-1.1-c5-0-26
Degree $2$
Conductor $387$
Sign $-1$
Analytic cond. $62.0685$
Root an. cond. $7.87835$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 7.91·2-s + 30.6·4-s − 79.5·5-s − 172.·7-s + 11.0·8-s + 629.·10-s − 452.·11-s − 22.7·13-s + 1.36e3·14-s − 1.06e3·16-s + 521.·17-s + 1.55e3·19-s − 2.43e3·20-s + 3.57e3·22-s + 3.46e3·23-s + 3.20e3·25-s + 179.·26-s − 5.27e3·28-s − 4.32e3·29-s − 3.98e3·31-s + 8.08e3·32-s − 4.12e3·34-s + 1.37e4·35-s + 1.00e4·37-s − 1.23e4·38-s − 879.·40-s + 1.64e4·41-s + ⋯
L(s)  = 1  − 1.39·2-s + 0.956·4-s − 1.42·5-s − 1.32·7-s + 0.0610·8-s + 1.99·10-s − 1.12·11-s − 0.0373·13-s + 1.85·14-s − 1.04·16-s + 0.437·17-s + 0.990·19-s − 1.36·20-s + 1.57·22-s + 1.36·23-s + 1.02·25-s + 0.0522·26-s − 1.27·28-s − 0.954·29-s − 0.745·31-s + 1.39·32-s − 0.612·34-s + 1.89·35-s + 1.21·37-s − 1.38·38-s − 0.0869·40-s + 1.52·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 387 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 387 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(387\)    =    \(3^{2} \cdot 43\)
Sign: $-1$
Analytic conductor: \(62.0685\)
Root analytic conductor: \(7.87835\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 387,\ (\ :5/2),\ -1)\)

Particular Values

\(L(3)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
43 \( 1 - 1.84e3T \)
good2 \( 1 + 7.91T + 32T^{2} \)
5 \( 1 + 79.5T + 3.12e3T^{2} \)
7 \( 1 + 172.T + 1.68e4T^{2} \)
11 \( 1 + 452.T + 1.61e5T^{2} \)
13 \( 1 + 22.7T + 3.71e5T^{2} \)
17 \( 1 - 521.T + 1.41e6T^{2} \)
19 \( 1 - 1.55e3T + 2.47e6T^{2} \)
23 \( 1 - 3.46e3T + 6.43e6T^{2} \)
29 \( 1 + 4.32e3T + 2.05e7T^{2} \)
31 \( 1 + 3.98e3T + 2.86e7T^{2} \)
37 \( 1 - 1.00e4T + 6.93e7T^{2} \)
41 \( 1 - 1.64e4T + 1.15e8T^{2} \)
47 \( 1 + 2.41e4T + 2.29e8T^{2} \)
53 \( 1 + 2.12e4T + 4.18e8T^{2} \)
59 \( 1 - 2.58e4T + 7.14e8T^{2} \)
61 \( 1 - 2.85e4T + 8.44e8T^{2} \)
67 \( 1 - 6.67e4T + 1.35e9T^{2} \)
71 \( 1 - 1.00e4T + 1.80e9T^{2} \)
73 \( 1 - 3.21e4T + 2.07e9T^{2} \)
79 \( 1 + 2.19e4T + 3.07e9T^{2} \)
83 \( 1 - 6.67e4T + 3.93e9T^{2} \)
89 \( 1 + 4.89e4T + 5.58e9T^{2} \)
97 \( 1 - 9.30e4T + 8.58e9T^{2} \)
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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

−9.779903950267240900377809969477, −9.279937719801944847917218491023, −8.065073071496277017586365033574, −7.58782089790949496625056632317, −6.76124529411905240247977941765, −5.20943976294467414155042637793, −3.75613920266145785460669643623, −2.75107391262583876002159612192, −0.825377433133850514856217092949, 0, 0.825377433133850514856217092949, 2.75107391262583876002159612192, 3.75613920266145785460669643623, 5.20943976294467414155042637793, 6.76124529411905240247977941765, 7.58782089790949496625056632317, 8.065073071496277017586365033574, 9.279937719801944847917218491023, 9.779903950267240900377809969477

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