Properties

Label 2-6840-1.1-c1-0-81
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 + 3.58·7-s + 1.35·13-s − 5.58·17-s + 19-s + 4.87·23-s + 25-s − 9.58·29-s − 7.17·31-s − 3.58·35-s − 0.945·37-s − 10.4·41-s − 2.71·43-s + 5.89·47-s + 5.87·49-s − 9.81·53-s − 10.1·59-s + 3.28·61-s − 1.35·65-s + 10.3·67-s − 14.3·71-s − 4.15·73-s + 1.28·79-s + 11.1·83-s + 5.58·85-s + 6.45·89-s + 4.87·91-s + ⋯
L(s)  = 1  − 0.447·5-s + 1.35·7-s + 0.376·13-s − 1.35·17-s + 0.229·19-s + 1.01·23-s + 0.200·25-s − 1.78·29-s − 1.28·31-s − 0.606·35-s − 0.155·37-s − 1.63·41-s − 0.414·43-s + 0.859·47-s + 0.838·49-s − 1.34·53-s − 1.32·59-s + 0.420·61-s − 0.168·65-s + 1.26·67-s − 1.70·71-s − 0.486·73-s + 0.144·79-s + 1.22·83-s + 0.606·85-s + 0.684·89-s + 0.510·91-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 \( 1 - 3.58T + 7T^{2} \)
11 \( 1 + 11T^{2} \)
13 \( 1 - 1.35T + 13T^{2} \)
17 \( 1 + 5.58T + 17T^{2} \)
23 \( 1 - 4.87T + 23T^{2} \)
29 \( 1 + 9.58T + 29T^{2} \)
31 \( 1 + 7.17T + 31T^{2} \)
37 \( 1 + 0.945T + 37T^{2} \)
41 \( 1 + 10.4T + 41T^{2} \)
43 \( 1 + 2.71T + 43T^{2} \)
47 \( 1 - 5.89T + 47T^{2} \)
53 \( 1 + 9.81T + 53T^{2} \)
59 \( 1 + 10.1T + 59T^{2} \)
61 \( 1 - 3.28T + 61T^{2} \)
67 \( 1 - 10.3T + 67T^{2} \)
71 \( 1 + 14.3T + 71T^{2} \)
73 \( 1 + 4.15T + 73T^{2} \)
79 \( 1 - 1.28T + 79T^{2} \)
83 \( 1 - 11.1T + 83T^{2} \)
89 \( 1 - 6.45T + 89T^{2} \)
97 \( 1 + 13.4T + 97T^{2} \)
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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

−7.56304462327176562054618198892, −7.12093317200895291939827470452, −6.24291439149481753472744661947, −5.27799726626369795694244766756, −4.84137733231064422072902447162, −4.02048812623273894161116574959, −3.28491002742818767014429184688, −2.08792391132687976638181635199, −1.44364647905039796473286476321, 0, 1.44364647905039796473286476321, 2.08792391132687976638181635199, 3.28491002742818767014429184688, 4.02048812623273894161116574959, 4.84137733231064422072902447162, 5.27799726626369795694244766756, 6.24291439149481753472744661947, 7.12093317200895291939827470452, 7.56304462327176562054618198892

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