Properties

Label 2-6840-1.1-c1-0-45
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 − 4.73·7-s − 4.19·11-s − 1.26·13-s + 6.92·17-s + 19-s + 6·23-s + 25-s + 10.1·29-s − 2·31-s + 4.73·35-s + 2.73·37-s − 11.6·41-s − 4.73·43-s + 10·47-s + 15.3·49-s + 4.19·55-s + 9.46·59-s + 5.46·61-s + 1.26·65-s − 14.9·67-s − 12.3·71-s + 0.928·73-s + 19.8·77-s − 8·79-s − 8.53·83-s − 6.92·85-s + ⋯
L(s)  = 1  − 0.447·5-s − 1.78·7-s − 1.26·11-s − 0.351·13-s + 1.68·17-s + 0.229·19-s + 1.25·23-s + 0.200·25-s + 1.89·29-s − 0.359·31-s + 0.799·35-s + 0.449·37-s − 1.82·41-s − 0.721·43-s + 1.45·47-s + 2.19·49-s + 0.565·55-s + 1.23·59-s + 0.699·61-s + 0.157·65-s − 1.82·67-s − 1.47·71-s + 0.108·73-s + 2.26·77-s − 0.900·79-s − 0.936·83-s − 0.751·85-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 \( 1 + 4.73T + 7T^{2} \)
11 \( 1 + 4.19T + 11T^{2} \)
13 \( 1 + 1.26T + 13T^{2} \)
17 \( 1 - 6.92T + 17T^{2} \)
23 \( 1 - 6T + 23T^{2} \)
29 \( 1 - 10.1T + 29T^{2} \)
31 \( 1 + 2T + 31T^{2} \)
37 \( 1 - 2.73T + 37T^{2} \)
41 \( 1 + 11.6T + 41T^{2} \)
43 \( 1 + 4.73T + 43T^{2} \)
47 \( 1 - 10T + 47T^{2} \)
53 \( 1 + 53T^{2} \)
59 \( 1 - 9.46T + 59T^{2} \)
61 \( 1 - 5.46T + 61T^{2} \)
67 \( 1 + 14.9T + 67T^{2} \)
71 \( 1 + 12.3T + 71T^{2} \)
73 \( 1 - 0.928T + 73T^{2} \)
79 \( 1 + 8T + 79T^{2} \)
83 \( 1 + 8.53T + 83T^{2} \)
89 \( 1 - 7.66T + 89T^{2} \)
97 \( 1 - 1.66T + 97T^{2} \)
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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

−7.41878028816641078108945960248, −7.08020834164659534722953366510, −6.23516895237627120478645743339, −5.48382255323977625133337996697, −4.88184237790997095228181877713, −3.77803383958968206510459517733, −2.99565040972473784492079679255, −2.76223583260354349877241079365, −1.03699444365904348453961048063, 0, 1.03699444365904348453961048063, 2.76223583260354349877241079365, 2.99565040972473784492079679255, 3.77803383958968206510459517733, 4.88184237790997095228181877713, 5.48382255323977625133337996697, 6.23516895237627120478645743339, 7.08020834164659534722953366510, 7.41878028816641078108945960248

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