Properties

Label 2-6840-1.1-c1-0-71
Degree $2$
Conductor $6840$
Sign $-1$
Analytic cond. $54.6176$
Root an. cond. $7.39037$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 5-s + 2·7-s − 2·13-s − 4·17-s + 19-s − 4·23-s + 25-s + 6·29-s + 10·31-s − 2·35-s − 10·37-s + 4·43-s − 4·47-s − 3·49-s − 10·53-s + 6·59-s + 10·61-s + 2·65-s − 4·67-s − 8·71-s − 2·73-s − 6·79-s − 6·83-s + 4·85-s − 4·89-s − 4·91-s − 95-s + ⋯
L(s)  = 1  − 0.447·5-s + 0.755·7-s − 0.554·13-s − 0.970·17-s + 0.229·19-s − 0.834·23-s + 1/5·25-s + 1.11·29-s + 1.79·31-s − 0.338·35-s − 1.64·37-s + 0.609·43-s − 0.583·47-s − 3/7·49-s − 1.37·53-s + 0.781·59-s + 1.28·61-s + 0.248·65-s − 0.488·67-s − 0.949·71-s − 0.234·73-s − 0.675·79-s − 0.658·83-s + 0.433·85-s − 0.423·89-s − 0.419·91-s − 0.102·95-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: yes
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 \( 1 - 2 T + p T^{2} \)
11 \( 1 + p T^{2} \)
13 \( 1 + 2 T + p T^{2} \)
17 \( 1 + 4 T + p T^{2} \)
23 \( 1 + 4 T + p T^{2} \)
29 \( 1 - 6 T + p T^{2} \)
31 \( 1 - 10 T + p T^{2} \)
37 \( 1 + 10 T + p T^{2} \)
41 \( 1 + p T^{2} \)
43 \( 1 - 4 T + p T^{2} \)
47 \( 1 + 4 T + p T^{2} \)
53 \( 1 + 10 T + p T^{2} \)
59 \( 1 - 6 T + p T^{2} \)
61 \( 1 - 10 T + p T^{2} \)
67 \( 1 + 4 T + p T^{2} \)
71 \( 1 + 8 T + p T^{2} \)
73 \( 1 + 2 T + p T^{2} \)
79 \( 1 + 6 T + p T^{2} \)
83 \( 1 + 6 T + p T^{2} \)
89 \( 1 + 4 T + p T^{2} \)
97 \( 1 - 2 T + p T^{2} \)
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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

−7.72368761561864544690209103113, −6.89606727991333534015960401115, −6.36705302215135246401202472023, −5.34831909124529015765270120238, −4.66652388752455122764586993329, −4.18585384563425980316495790821, −3.10948701275610497190123065064, −2.30099037886864045378327535292, −1.30775419494860434547175997464, 0, 1.30775419494860434547175997464, 2.30099037886864045378327535292, 3.10948701275610497190123065064, 4.18585384563425980316495790821, 4.66652388752455122764586993329, 5.34831909124529015765270120238, 6.36705302215135246401202472023, 6.89606727991333534015960401115, 7.72368761561864544690209103113

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