Properties

Label 2-1840-1.1-c1-0-33
Degree $2$
Conductor $1840$
Sign $-1$
Analytic cond. $14.6924$
Root an. cond. $3.83307$
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  − 1.61·3-s + 5-s + 0.618·7-s − 0.381·9-s + 2.85·11-s − 7.09·13-s − 1.61·15-s + 6.09·17-s − 1.85·19-s − 1.00·21-s − 23-s + 25-s + 5.47·27-s − 9.23·29-s − 9.09·31-s − 4.61·33-s + 0.618·35-s + 6.47·37-s + 11.4·39-s + 3.32·41-s − 0.381·45-s + 3.70·47-s − 6.61·49-s − 9.85·51-s + 0.472·53-s + 2.85·55-s + 3·57-s + ⋯
L(s)  = 1  − 0.934·3-s + 0.447·5-s + 0.233·7-s − 0.127·9-s + 0.860·11-s − 1.96·13-s − 0.417·15-s + 1.47·17-s − 0.425·19-s − 0.218·21-s − 0.208·23-s + 0.200·25-s + 1.05·27-s − 1.71·29-s − 1.63·31-s − 0.803·33-s + 0.104·35-s + 1.06·37-s + 1.83·39-s + 0.519·41-s − 0.0569·45-s + 0.540·47-s − 0.945·49-s − 1.37·51-s + 0.0648·53-s + 0.384·55-s + 0.397·57-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(1840\)    =    \(2^{4} \cdot 5 \cdot 23\)
Sign: $-1$
Analytic conductor: \(14.6924\)
Root analytic conductor: \(3.83307\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1840,\ (\ :1/2),\ -1)\)

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 \( 1 - T \)
23 \( 1 + T \)
good3 \( 1 + 1.61T + 3T^{2} \)
7 \( 1 - 0.618T + 7T^{2} \)
11 \( 1 - 2.85T + 11T^{2} \)
13 \( 1 + 7.09T + 13T^{2} \)
17 \( 1 - 6.09T + 17T^{2} \)
19 \( 1 + 1.85T + 19T^{2} \)
29 \( 1 + 9.23T + 29T^{2} \)
31 \( 1 + 9.09T + 31T^{2} \)
37 \( 1 - 6.47T + 37T^{2} \)
41 \( 1 - 3.32T + 41T^{2} \)
43 \( 1 + 43T^{2} \)
47 \( 1 - 3.70T + 47T^{2} \)
53 \( 1 - 0.472T + 53T^{2} \)
59 \( 1 + 1.70T + 59T^{2} \)
61 \( 1 + 9.32T + 61T^{2} \)
67 \( 1 + 14.4T + 67T^{2} \)
71 \( 1 - 4.09T + 71T^{2} \)
73 \( 1 - 3.23T + 73T^{2} \)
79 \( 1 + 1.52T + 79T^{2} \)
83 \( 1 - 6.94T + 83T^{2} \)
89 \( 1 + 10.4T + 89T^{2} \)
97 \( 1 - 12.3T + 97T^{2} \)
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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

−9.192606943682537249560077900761, −7.82777677525183601533590119977, −7.30237624592909503089433211277, −6.29585942859912162290880847594, −5.57439464092130833527045222897, −5.03172832639205616633759214658, −3.96757502714772256063808846325, −2.71591056579124554536689308591, −1.53776077713781743186760966496, 0, 1.53776077713781743186760966496, 2.71591056579124554536689308591, 3.96757502714772256063808846325, 5.03172832639205616633759214658, 5.57439464092130833527045222897, 6.29585942859912162290880847594, 7.30237624592909503089433211277, 7.82777677525183601533590119977, 9.192606943682537249560077900761

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