Properties

Label 2-8487-1.1-c1-0-94
Degree $2$
Conductor $8487$
Sign $-1$
Analytic cond. $67.7690$
Root an. cond. $8.23219$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2.09·2-s + 2.39·4-s − 3.55·5-s − 3.93·7-s − 0.836·8-s + 7.45·10-s − 4.67·11-s − 0.747·13-s + 8.25·14-s − 3.04·16-s + 2.98·17-s − 3.50·19-s − 8.52·20-s + 9.79·22-s + 23-s + 7.62·25-s + 1.56·26-s − 9.44·28-s − 6.56·29-s − 5.82·31-s + 8.05·32-s − 6.25·34-s + 13.9·35-s + 7.36·37-s + 7.35·38-s + 2.97·40-s − 41-s + ⋯
L(s)  = 1  − 1.48·2-s + 1.19·4-s − 1.58·5-s − 1.48·7-s − 0.295·8-s + 2.35·10-s − 1.40·11-s − 0.207·13-s + 2.20·14-s − 0.760·16-s + 0.723·17-s − 0.804·19-s − 1.90·20-s + 2.08·22-s + 0.208·23-s + 1.52·25-s + 0.307·26-s − 1.78·28-s − 1.21·29-s − 1.04·31-s + 1.42·32-s − 1.07·34-s + 2.36·35-s + 1.21·37-s + 1.19·38-s + 0.469·40-s − 0.156·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 8487 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 8487 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(8487\)    =    \(3^{2} \cdot 23 \cdot 41\)
Sign: $-1$
Analytic conductor: \(67.7690\)
Root analytic conductor: \(8.23219\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 8487,\ (\ :1/2),\ -1)\)

Particular Values

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

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
23 \( 1 - T \)
41 \( 1 + T \)
good2 \( 1 + 2.09T + 2T^{2} \)
5 \( 1 + 3.55T + 5T^{2} \)
7 \( 1 + 3.93T + 7T^{2} \)
11 \( 1 + 4.67T + 11T^{2} \)
13 \( 1 + 0.747T + 13T^{2} \)
17 \( 1 - 2.98T + 17T^{2} \)
19 \( 1 + 3.50T + 19T^{2} \)
29 \( 1 + 6.56T + 29T^{2} \)
31 \( 1 + 5.82T + 31T^{2} \)
37 \( 1 - 7.36T + 37T^{2} \)
43 \( 1 + 3.51T + 43T^{2} \)
47 \( 1 + 6.59T + 47T^{2} \)
53 \( 1 + 0.0352T + 53T^{2} \)
59 \( 1 - 9.93T + 59T^{2} \)
61 \( 1 + 7.37T + 61T^{2} \)
67 \( 1 - 8.02T + 67T^{2} \)
71 \( 1 - 0.297T + 71T^{2} \)
73 \( 1 + 9.59T + 73T^{2} \)
79 \( 1 - 11.1T + 79T^{2} \)
83 \( 1 - 5.90T + 83T^{2} \)
89 \( 1 + 10.4T + 89T^{2} \)
97 \( 1 - 15.4T + 97T^{2} \)
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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

−7.64732042884035933408906321631, −7.13459403473778385012169171880, −6.43103525220258724552477437024, −5.47084367638098525126744663052, −4.52519128493042823751288750739, −3.63204454022283741185331033255, −3.04590905920369475209812356100, −2.09815285474330481602786742451, −0.59741487739784588976912351520, 0, 0.59741487739784588976912351520, 2.09815285474330481602786742451, 3.04590905920369475209812356100, 3.63204454022283741185331033255, 4.52519128493042823751288750739, 5.47084367638098525126744663052, 6.43103525220258724552477437024, 7.13459403473778385012169171880, 7.64732042884035933408906321631

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