Properties

Label 2-3920-1.1-c1-0-5
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 $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2.58·3-s + 5-s + 3.67·9-s − 1.67·11-s − 4.84·13-s − 2.58·15-s + 2·17-s − 6.84·19-s + 2.26·23-s + 25-s − 1.75·27-s + 3.32·29-s − 9.16·31-s + 4.33·33-s − 2.84·37-s + 12.5·39-s + 9.52·41-s − 6.58·43-s + 3.67·45-s + 12.2·47-s − 5.16·51-s + 7.49·53-s − 1.67·55-s + 17.6·57-s − 8·59-s − 6.49·61-s − 4.84·65-s + ⋯
L(s)  = 1  − 1.49·3-s + 0.447·5-s + 1.22·9-s − 0.506·11-s − 1.34·13-s − 0.667·15-s + 0.485·17-s − 1.57·19-s + 0.471·23-s + 0.200·25-s − 0.337·27-s + 0.616·29-s − 1.64·31-s + 0.754·33-s − 0.467·37-s + 2.00·39-s + 1.48·41-s − 1.00·43-s + 0.548·45-s + 1.78·47-s − 0.723·51-s + 1.02·53-s − 0.226·55-s + 2.34·57-s − 1.04·59-s − 0.830·61-s − 0.601·65-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: \(0\)
Selberg data: \((2,\ 3920,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.6956937000\)
\(L(\frac12)\) \(\approx\) \(0.6956937000\)
\(L(\frac{3}{2})\) 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 \( 1 + 2.58T + 3T^{2} \)
11 \( 1 + 1.67T + 11T^{2} \)
13 \( 1 + 4.84T + 13T^{2} \)
17 \( 1 - 2T + 17T^{2} \)
19 \( 1 + 6.84T + 19T^{2} \)
23 \( 1 - 2.26T + 23T^{2} \)
29 \( 1 - 3.32T + 29T^{2} \)
31 \( 1 + 9.16T + 31T^{2} \)
37 \( 1 + 2.84T + 37T^{2} \)
41 \( 1 - 9.52T + 41T^{2} \)
43 \( 1 + 6.58T + 43T^{2} \)
47 \( 1 - 12.2T + 47T^{2} \)
53 \( 1 - 7.49T + 53T^{2} \)
59 \( 1 + 8T + 59T^{2} \)
61 \( 1 + 6.49T + 61T^{2} \)
67 \( 1 - 5.75T + 67T^{2} \)
71 \( 1 + 71T^{2} \)
73 \( 1 + 11.6T + 73T^{2} \)
79 \( 1 + 5.69T + 79T^{2} \)
83 \( 1 - 12.5T + 83T^{2} \)
89 \( 1 + 5.84T + 89T^{2} \)
97 \( 1 + 2T + 97T^{2} \)
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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

−8.499380252871247946582068576586, −7.41196237451202458043486298199, −6.98065258325323598835706676713, −6.05482025874216854505586192622, −5.56358841414786727294997622767, −4.87893606202459111163859542179, −4.20541931634667915487115131402, −2.81977670380054504331876735560, −1.86965615647717902189374671041, −0.50263375601897691896582232332, 0.50263375601897691896582232332, 1.86965615647717902189374671041, 2.81977670380054504331876735560, 4.20541931634667915487115131402, 4.87893606202459111163859542179, 5.56358841414786727294997622767, 6.05482025874216854505586192622, 6.98065258325323598835706676713, 7.41196237451202458043486298199, 8.499380252871247946582068576586

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