Properties

Label 2-6840-1.1-c1-0-78
Degree $2$
Conductor $6840$
Sign $-1$
Analytic cond. $54.6176$
Root an. cond. $7.39037$
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  − 5-s + 1.64·7-s + 0.354·11-s + 3.64·13-s − 19-s − 2·23-s + 25-s − 9.64·29-s − 2·31-s − 1.64·35-s − 6.93·37-s − 1.64·41-s − 4.93·43-s − 6·47-s − 4.29·49-s − 4·53-s − 0.354·55-s − 3.29·59-s + 11.2·61-s − 3.64·65-s + 4·67-s + 3.29·71-s − 2·73-s + 0.583·77-s − 8·79-s + 15.8·83-s + 12.2·89-s + ⋯
L(s)  = 1  − 0.447·5-s + 0.622·7-s + 0.106·11-s + 1.01·13-s − 0.229·19-s − 0.417·23-s + 0.200·25-s − 1.79·29-s − 0.359·31-s − 0.278·35-s − 1.14·37-s − 0.257·41-s − 0.752·43-s − 0.875·47-s − 0.613·49-s − 0.549·53-s − 0.0477·55-s − 0.428·59-s + 1.44·61-s − 0.452·65-s + 0.488·67-s + 0.390·71-s − 0.234·73-s + 0.0664·77-s − 0.900·79-s + 1.74·83-s + 1.29·89-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 6840 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 6840 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(6840\)    =    \(2^{3} \cdot 3^{2} \cdot 5 \cdot 19\)
Sign: $-1$
Analytic conductor: \(54.6176\)
Root analytic conductor: \(7.39037\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 6840,\ (\ :1/2),\ -1)\)

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)$
bad2 \( 1 \)
3 \( 1 \)
5 \( 1 + T \)
19 \( 1 + T \)
good7 \( 1 - 1.64T + 7T^{2} \)
11 \( 1 - 0.354T + 11T^{2} \)
13 \( 1 - 3.64T + 13T^{2} \)
17 \( 1 + 17T^{2} \)
23 \( 1 + 2T + 23T^{2} \)
29 \( 1 + 9.64T + 29T^{2} \)
31 \( 1 + 2T + 31T^{2} \)
37 \( 1 + 6.93T + 37T^{2} \)
41 \( 1 + 1.64T + 41T^{2} \)
43 \( 1 + 4.93T + 43T^{2} \)
47 \( 1 + 6T + 47T^{2} \)
53 \( 1 + 4T + 53T^{2} \)
59 \( 1 + 3.29T + 59T^{2} \)
61 \( 1 - 11.2T + 61T^{2} \)
67 \( 1 - 4T + 67T^{2} \)
71 \( 1 - 3.29T + 71T^{2} \)
73 \( 1 + 2T + 73T^{2} \)
79 \( 1 + 8T + 79T^{2} \)
83 \( 1 - 15.8T + 83T^{2} \)
89 \( 1 - 12.2T + 89T^{2} \)
97 \( 1 - 18.2T + 97T^{2} \)
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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

−7.77468048188027415214464814557, −6.91691587776728930274134531991, −6.27268838839961377524808799520, −5.41462947043037261586227133427, −4.81024182804187888381928171850, −3.79469421117479218001360529921, −3.46401341854821465178807257301, −2.11741318999224700598560461554, −1.38662167905908509697987813700, 0, 1.38662167905908509697987813700, 2.11741318999224700598560461554, 3.46401341854821465178807257301, 3.79469421117479218001360529921, 4.81024182804187888381928171850, 5.41462947043037261586227133427, 6.27268838839961377524808799520, 6.91691587776728930274134531991, 7.77468048188027415214464814557

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