Properties

Label 2-3920-1.1-c1-0-40
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  + 2.41·3-s + 5-s + 2.82·9-s + 11-s + 0.414·13-s + 2.41·15-s − 2.41·17-s + 2·19-s − 6.24·23-s + 25-s − 0.414·27-s + 29-s + 10.2·31-s + 2.41·33-s + 11.8·37-s + 0.999·39-s − 4.58·41-s + 11.6·43-s + 2.82·45-s + 7.58·47-s − 5.82·51-s + 6.58·53-s + 55-s + 4.82·57-s + 1.75·59-s + 6.82·61-s + 0.414·65-s + ⋯
L(s)  = 1  + 1.39·3-s + 0.447·5-s + 0.942·9-s + 0.301·11-s + 0.114·13-s + 0.623·15-s − 0.585·17-s + 0.458·19-s − 1.30·23-s + 0.200·25-s − 0.0797·27-s + 0.185·29-s + 1.83·31-s + 0.420·33-s + 1.95·37-s + 0.160·39-s − 0.716·41-s + 1.77·43-s + 0.421·45-s + 1.10·47-s − 0.816·51-s + 0.904·53-s + 0.134·55-s + 0.639·57-s + 0.228·59-s + 0.874·61-s + 0.0513·65-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

\(L(1)\) \(\approx\) \(3.640346299\)
\(L(\frac12)\) \(\approx\) \(3.640346299\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.41T + 3T^{2} \)
11 \( 1 - T + 11T^{2} \)
13 \( 1 - 0.414T + 13T^{2} \)
17 \( 1 + 2.41T + 17T^{2} \)
19 \( 1 - 2T + 19T^{2} \)
23 \( 1 + 6.24T + 23T^{2} \)
29 \( 1 - T + 29T^{2} \)
31 \( 1 - 10.2T + 31T^{2} \)
37 \( 1 - 11.8T + 37T^{2} \)
41 \( 1 + 4.58T + 41T^{2} \)
43 \( 1 - 11.6T + 43T^{2} \)
47 \( 1 - 7.58T + 47T^{2} \)
53 \( 1 - 6.58T + 53T^{2} \)
59 \( 1 - 1.75T + 59T^{2} \)
61 \( 1 - 6.82T + 61T^{2} \)
67 \( 1 - 1.41T + 67T^{2} \)
71 \( 1 - 2.48T + 71T^{2} \)
73 \( 1 - 10.8T + 73T^{2} \)
79 \( 1 - 3.34T + 79T^{2} \)
83 \( 1 + 11.3T + 83T^{2} \)
89 \( 1 + 9.65T + 89T^{2} \)
97 \( 1 + 14.0T + 97T^{2} \)
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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

−8.371188211186711246665722215860, −8.008238389993279901289224483510, −7.12797556954179945664523728680, −6.31437896465821692875260932167, −5.57598826194398746727814890718, −4.35979424550451549107269334042, −3.87322168122813769653887350392, −2.69344984782767908623885839015, −2.33441800127376516481979362904, −1.08188887374013321316667784630, 1.08188887374013321316667784630, 2.33441800127376516481979362904, 2.69344984782767908623885839015, 3.87322168122813769653887350392, 4.35979424550451549107269334042, 5.57598826194398746727814890718, 6.31437896465821692875260932167, 7.12797556954179945664523728680, 8.008238389993279901289224483510, 8.371188211186711246665722215860

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