Properties

Label 2-6840-1.1-c1-0-72
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 − 3.41·7-s + 1.41·11-s + 4.24·13-s − 2.82·17-s − 19-s + 4.82·23-s + 25-s − 2.24·29-s − 8.82·31-s − 3.41·35-s − 7.07·37-s − 2.24·41-s − 1.75·43-s − 4.82·47-s + 4.65·49-s + 12.4·53-s + 1.41·55-s + 2.82·59-s − 8·61-s + 4.24·65-s − 11.3·67-s + 5.17·71-s − 3.65·73-s − 4.82·77-s − 2.34·79-s + 6·83-s + ⋯
L(s)  = 1  + 0.447·5-s − 1.29·7-s + 0.426·11-s + 1.17·13-s − 0.685·17-s − 0.229·19-s + 1.00·23-s + 0.200·25-s − 0.416·29-s − 1.58·31-s − 0.577·35-s − 1.16·37-s − 0.350·41-s − 0.267·43-s − 0.704·47-s + 0.665·49-s + 1.71·53-s + 0.190·55-s + 0.368·59-s − 1.02·61-s + 0.526·65-s − 1.38·67-s + 0.613·71-s − 0.428·73-s − 0.550·77-s − 0.263·79-s + 0.658·83-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 \( 1 + 3.41T + 7T^{2} \)
11 \( 1 - 1.41T + 11T^{2} \)
13 \( 1 - 4.24T + 13T^{2} \)
17 \( 1 + 2.82T + 17T^{2} \)
23 \( 1 - 4.82T + 23T^{2} \)
29 \( 1 + 2.24T + 29T^{2} \)
31 \( 1 + 8.82T + 31T^{2} \)
37 \( 1 + 7.07T + 37T^{2} \)
41 \( 1 + 2.24T + 41T^{2} \)
43 \( 1 + 1.75T + 43T^{2} \)
47 \( 1 + 4.82T + 47T^{2} \)
53 \( 1 - 12.4T + 53T^{2} \)
59 \( 1 - 2.82T + 59T^{2} \)
61 \( 1 + 8T + 61T^{2} \)
67 \( 1 + 11.3T + 67T^{2} \)
71 \( 1 - 5.17T + 71T^{2} \)
73 \( 1 + 3.65T + 73T^{2} \)
79 \( 1 + 2.34T + 79T^{2} \)
83 \( 1 - 6T + 83T^{2} \)
89 \( 1 - 13.5T + 89T^{2} \)
97 \( 1 - 9.89T + 97T^{2} \)
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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

−7.40822281062919632087102327135, −6.81106919662421382031775568073, −6.27095459162006745402594147574, −5.66554453506068935836636116423, −4.79975953044467241390096671851, −3.68887080142984439022792364290, −3.38577645130311878586895899129, −2.27616559192727376983322793026, −1.31747480063061932985533260691, 0, 1.31747480063061932985533260691, 2.27616559192727376983322793026, 3.38577645130311878586895899129, 3.68887080142984439022792364290, 4.79975953044467241390096671851, 5.66554453506068935836636116423, 6.27095459162006745402594147574, 6.81106919662421382031775568073, 7.40822281062919632087102327135

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