Properties

Label 2-7938-1.1-c1-0-18
Degree $2$
Conductor $7938$
Sign $1$
Analytic cond. $63.3852$
Root an. cond. $7.96148$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s + 4-s − 1.37·5-s + 8-s − 1.37·10-s − 4.37·11-s − 2·13-s + 16-s − 4.37·17-s − 5·19-s − 1.37·20-s − 4.37·22-s + 7.37·23-s − 3.11·25-s − 2·26-s − 2.74·29-s − 2·31-s + 32-s − 4.37·34-s + 2·37-s − 5·38-s − 1.37·40-s + 10.3·41-s + 9.11·43-s − 4.37·44-s + 7.37·46-s − 3.11·50-s + ⋯
L(s)  = 1  + 0.707·2-s + 0.5·4-s − 0.613·5-s + 0.353·8-s − 0.433·10-s − 1.31·11-s − 0.554·13-s + 0.250·16-s − 1.06·17-s − 1.14·19-s − 0.306·20-s − 0.932·22-s + 1.53·23-s − 0.623·25-s − 0.392·26-s − 0.509·29-s − 0.359·31-s + 0.176·32-s − 0.749·34-s + 0.328·37-s − 0.811·38-s − 0.216·40-s + 1.61·41-s + 1.39·43-s − 0.659·44-s + 1.08·46-s − 0.440·50-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 7938 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 7938 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(7938\)    =    \(2 \cdot 3^{4} \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(63.3852\)
Root analytic conductor: \(7.96148\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 7938,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.921915645\)
\(L(\frac12)\) \(\approx\) \(1.921915645\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - T \)
3 \( 1 \)
7 \( 1 \)
good5 \( 1 + 1.37T + 5T^{2} \)
11 \( 1 + 4.37T + 11T^{2} \)
13 \( 1 + 2T + 13T^{2} \)
17 \( 1 + 4.37T + 17T^{2} \)
19 \( 1 + 5T + 19T^{2} \)
23 \( 1 - 7.37T + 23T^{2} \)
29 \( 1 + 2.74T + 29T^{2} \)
31 \( 1 + 2T + 31T^{2} \)
37 \( 1 - 2T + 37T^{2} \)
41 \( 1 - 10.3T + 41T^{2} \)
43 \( 1 - 9.11T + 43T^{2} \)
47 \( 1 + 47T^{2} \)
53 \( 1 + 2.74T + 53T^{2} \)
59 \( 1 - 7.11T + 59T^{2} \)
61 \( 1 - 14.1T + 61T^{2} \)
67 \( 1 - 15.1T + 67T^{2} \)
71 \( 1 + 10.1T + 71T^{2} \)
73 \( 1 - 5.11T + 73T^{2} \)
79 \( 1 - 12.1T + 79T^{2} \)
83 \( 1 + 5.48T + 83T^{2} \)
89 \( 1 - 3.25T + 89T^{2} \)
97 \( 1 + 9.11T + 97T^{2} \)
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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

−7.65398674743614503654711371186, −7.20301508429689924892448788879, −6.44269782175383054909055964766, −5.61707352755937392141007599464, −4.97525554524212757707466908115, −4.31794644608664716469302008939, −3.67007879400024221145789832056, −2.56799111915773002711713205595, −2.23348000867179067521673549461, −0.58079529470835522575617371732, 0.58079529470835522575617371732, 2.23348000867179067521673549461, 2.56799111915773002711713205595, 3.67007879400024221145789832056, 4.31794644608664716469302008939, 4.97525554524212757707466908115, 5.61707352755937392141007599464, 6.44269782175383054909055964766, 7.20301508429689924892448788879, 7.65398674743614503654711371186

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