Properties

Label 2-6840-1.1-c1-0-86
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 + 4.38·7-s − 6.38·11-s − 1.13·13-s − 1.72·17-s + 19-s − 1.52·23-s + 25-s − 6.65·29-s − 3.72·31-s + 4.38·35-s − 4.59·37-s + 9.64·41-s + 2.59·43-s + 9.52·47-s + 12.2·49-s − 11.5·53-s − 6.38·55-s − 14.9·59-s − 1.79·61-s − 1.13·65-s − 7.04·67-s + 9.31·71-s − 8.50·73-s − 28.0·77-s − 9.25·79-s − 9.04·83-s + ⋯
L(s)  = 1  + 0.447·5-s + 1.65·7-s − 1.92·11-s − 0.314·13-s − 0.419·17-s + 0.229·19-s − 0.317·23-s + 0.200·25-s − 1.23·29-s − 0.669·31-s + 0.741·35-s − 0.755·37-s + 1.50·41-s + 0.395·43-s + 1.38·47-s + 1.75·49-s − 1.58·53-s − 0.861·55-s − 1.95·59-s − 0.229·61-s − 0.140·65-s − 0.860·67-s + 1.10·71-s − 0.995·73-s − 3.19·77-s − 1.04·79-s − 0.992·83-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 \( 1 - 4.38T + 7T^{2} \)
11 \( 1 + 6.38T + 11T^{2} \)
13 \( 1 + 1.13T + 13T^{2} \)
17 \( 1 + 1.72T + 17T^{2} \)
23 \( 1 + 1.52T + 23T^{2} \)
29 \( 1 + 6.65T + 29T^{2} \)
31 \( 1 + 3.72T + 31T^{2} \)
37 \( 1 + 4.59T + 37T^{2} \)
41 \( 1 - 9.64T + 41T^{2} \)
43 \( 1 - 2.59T + 43T^{2} \)
47 \( 1 - 9.52T + 47T^{2} \)
53 \( 1 + 11.5T + 53T^{2} \)
59 \( 1 + 14.9T + 59T^{2} \)
61 \( 1 + 1.79T + 61T^{2} \)
67 \( 1 + 7.04T + 67T^{2} \)
71 \( 1 - 9.31T + 71T^{2} \)
73 \( 1 + 8.50T + 73T^{2} \)
79 \( 1 + 9.25T + 79T^{2} \)
83 \( 1 + 9.04T + 83T^{2} \)
89 \( 1 + 10.5T + 89T^{2} \)
97 \( 1 + 4.59T + 97T^{2} \)
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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

−7.58178813766866642362883252836, −7.28818001636418629776349474855, −5.89570525402236282959646016536, −5.50225968146912406581370478836, −4.82702315237388037218748704343, −4.22892718287735496638053139295, −2.93770090677344868696774201679, −2.21601320863620636397784602597, −1.50412561356942360633703288419, 0, 1.50412561356942360633703288419, 2.21601320863620636397784602597, 2.93770090677344868696774201679, 4.22892718287735496638053139295, 4.82702315237388037218748704343, 5.50225968146912406581370478836, 5.89570525402236282959646016536, 7.28818001636418629776349474855, 7.58178813766866642362883252836

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