Properties

Label 2-3920-1.1-c1-0-47
Degree $2$
Conductor $3920$
Sign $-1$
Analytic cond. $31.3013$
Root an. cond. $5.59476$
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  − 3.37·3-s + 5-s + 8.37·9-s − 0.627·11-s + 1.37·13-s − 3.37·15-s − 5.37·17-s + 6.74·19-s − 6.74·23-s + 25-s − 18.1·27-s + 1.37·29-s − 8·31-s + 2.11·33-s − 2·37-s − 4.62·39-s + 4.74·41-s − 2.74·43-s + 8.37·45-s + 10.1·47-s + 18.1·51-s − 0.744·53-s − 0.627·55-s − 22.7·57-s + 8·59-s − 8.74·61-s + 1.37·65-s + ⋯
L(s)  = 1  − 1.94·3-s + 0.447·5-s + 2.79·9-s − 0.189·11-s + 0.380·13-s − 0.870·15-s − 1.30·17-s + 1.54·19-s − 1.40·23-s + 0.200·25-s − 3.48·27-s + 0.254·29-s − 1.43·31-s + 0.368·33-s − 0.328·37-s − 0.741·39-s + 0.740·41-s − 0.418·43-s + 1.24·45-s + 1.47·47-s + 2.53·51-s − 0.102·53-s − 0.0846·55-s − 3.01·57-s + 1.04·59-s − 1.11·61-s + 0.170·65-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 3920 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 3920 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(3920\)    =    \(2^{4} \cdot 5 \cdot 7^{2}\)
Sign: $-1$
Analytic conductor: \(31.3013\)
Root analytic conductor: \(5.59476\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 3920,\ (\ :1/2),\ -1)\)

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 \( 1 \)
5 \( 1 - T \)
7 \( 1 \)
good3 \( 1 + 3.37T + 3T^{2} \)
11 \( 1 + 0.627T + 11T^{2} \)
13 \( 1 - 1.37T + 13T^{2} \)
17 \( 1 + 5.37T + 17T^{2} \)
19 \( 1 - 6.74T + 19T^{2} \)
23 \( 1 + 6.74T + 23T^{2} \)
29 \( 1 - 1.37T + 29T^{2} \)
31 \( 1 + 8T + 31T^{2} \)
37 \( 1 + 2T + 37T^{2} \)
41 \( 1 - 4.74T + 41T^{2} \)
43 \( 1 + 2.74T + 43T^{2} \)
47 \( 1 - 10.1T + 47T^{2} \)
53 \( 1 + 0.744T + 53T^{2} \)
59 \( 1 - 8T + 59T^{2} \)
61 \( 1 + 8.74T + 61T^{2} \)
67 \( 1 - 4T + 67T^{2} \)
71 \( 1 + 8T + 71T^{2} \)
73 \( 1 - 6T + 73T^{2} \)
79 \( 1 - 2.11T + 79T^{2} \)
83 \( 1 - 13.4T + 83T^{2} \)
89 \( 1 + 3.25T + 89T^{2} \)
97 \( 1 + 18.8T + 97T^{2} \)
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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

−7.84203182632699118213000383556, −7.11751261256207745575014903405, −6.49490272768468117134143742294, −5.74576289682242546573333651805, −5.36873739608471021665711810954, −4.49511260737420677607847196876, −3.74053866015848729635518726844, −2.17012654594016786844304897496, −1.17694073576242688207767912336, 0, 1.17694073576242688207767912336, 2.17012654594016786844304897496, 3.74053866015848729635518726844, 4.49511260737420677607847196876, 5.36873739608471021665711810954, 5.74576289682242546573333651805, 6.49490272768468117134143742294, 7.11751261256207745575014903405, 7.84203182632699118213000383556

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