Properties

Label 2-1840-1.1-c3-0-78
Degree $2$
Conductor $1840$
Sign $-1$
Analytic cond. $108.563$
Root an. cond. $10.4193$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 8.72·3-s + 5·5-s + 5.16·7-s + 49.1·9-s − 38.0·11-s + 39.8·13-s − 43.6·15-s − 52.1·17-s + 35.3·19-s − 45.0·21-s + 23·23-s + 25·25-s − 193.·27-s + 154.·29-s − 275.·31-s + 331.·33-s + 25.8·35-s − 315.·37-s − 347.·39-s + 195.·41-s − 158.·43-s + 245.·45-s + 358.·47-s − 316.·49-s + 455.·51-s + 50.4·53-s − 190.·55-s + ⋯
L(s)  = 1  − 1.67·3-s + 0.447·5-s + 0.278·7-s + 1.82·9-s − 1.04·11-s + 0.850·13-s − 0.751·15-s − 0.744·17-s + 0.426·19-s − 0.468·21-s + 0.208·23-s + 0.200·25-s − 1.38·27-s + 0.988·29-s − 1.59·31-s + 1.75·33-s + 0.124·35-s − 1.40·37-s − 1.42·39-s + 0.744·41-s − 0.562·43-s + 0.814·45-s + 1.11·47-s − 0.922·49-s + 1.25·51-s + 0.130·53-s − 0.465·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1840\)    =    \(2^{4} \cdot 5 \cdot 23\)
Sign: $-1$
Analytic conductor: \(108.563\)
Root analytic conductor: \(10.4193\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1840,\ (\ :3/2),\ -1)\)

Particular Values

\(L(2)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{5}{2})\) 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 \( 1 - 5T \)
23 \( 1 - 23T \)
good3 \( 1 + 8.72T + 27T^{2} \)
7 \( 1 - 5.16T + 343T^{2} \)
11 \( 1 + 38.0T + 1.33e3T^{2} \)
13 \( 1 - 39.8T + 2.19e3T^{2} \)
17 \( 1 + 52.1T + 4.91e3T^{2} \)
19 \( 1 - 35.3T + 6.85e3T^{2} \)
29 \( 1 - 154.T + 2.43e4T^{2} \)
31 \( 1 + 275.T + 2.97e4T^{2} \)
37 \( 1 + 315.T + 5.06e4T^{2} \)
41 \( 1 - 195.T + 6.89e4T^{2} \)
43 \( 1 + 158.T + 7.95e4T^{2} \)
47 \( 1 - 358.T + 1.03e5T^{2} \)
53 \( 1 - 50.4T + 1.48e5T^{2} \)
59 \( 1 + 408.T + 2.05e5T^{2} \)
61 \( 1 - 218.T + 2.26e5T^{2} \)
67 \( 1 + 228.T + 3.00e5T^{2} \)
71 \( 1 - 850.T + 3.57e5T^{2} \)
73 \( 1 - 675.T + 3.89e5T^{2} \)
79 \( 1 - 933.T + 4.93e5T^{2} \)
83 \( 1 - 663.T + 5.71e5T^{2} \)
89 \( 1 + 243.T + 7.04e5T^{2} \)
97 \( 1 - 585.T + 9.12e5T^{2} \)
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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

−8.509939931272652761467408599722, −7.49787879898458228388849350466, −6.69441064506753449746860711157, −6.01430378890785619014079496749, −5.25478621854143859432528327277, −4.80175773628930691825307024559, −3.58710645965383676301006644124, −2.14631043315500016280924519100, −1.05198036041504224483051805700, 0, 1.05198036041504224483051805700, 2.14631043315500016280924519100, 3.58710645965383676301006644124, 4.80175773628930691825307024559, 5.25478621854143859432528327277, 6.01430378890785619014079496749, 6.69441064506753449746860711157, 7.49787879898458228388849350466, 8.509939931272652761467408599722

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