Properties

Label 2-1840-1.1-c1-0-34
Degree $2$
Conductor $1840$
Sign $-1$
Analytic cond. $14.6924$
Root an. cond. $3.83307$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 5-s + 7-s − 3·9-s − 6·11-s + 6·13-s + 7·17-s − 2·19-s + 23-s + 25-s − 5·29-s − 31-s − 35-s − 5·37-s − 7·41-s − 8·43-s + 3·45-s − 8·47-s − 6·49-s + 3·53-s + 6·55-s − 13·59-s − 8·61-s − 3·63-s − 6·65-s + 9·67-s − 7·71-s − 2·73-s + ⋯
L(s)  = 1  − 0.447·5-s + 0.377·7-s − 9-s − 1.80·11-s + 1.66·13-s + 1.69·17-s − 0.458·19-s + 0.208·23-s + 1/5·25-s − 0.928·29-s − 0.179·31-s − 0.169·35-s − 0.821·37-s − 1.09·41-s − 1.21·43-s + 0.447·45-s − 1.16·47-s − 6/7·49-s + 0.412·53-s + 0.809·55-s − 1.69·59-s − 1.02·61-s − 0.377·63-s − 0.744·65-s + 1.09·67-s − 0.830·71-s − 0.234·73-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: yes
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 \( 1 + p T^{2} \)
7 \( 1 - T + p T^{2} \)
11 \( 1 + 6 T + p T^{2} \)
13 \( 1 - 6 T + p T^{2} \)
17 \( 1 - 7 T + p T^{2} \)
19 \( 1 + 2 T + p T^{2} \)
29 \( 1 + 5 T + p T^{2} \)
31 \( 1 + T + p T^{2} \)
37 \( 1 + 5 T + p T^{2} \)
41 \( 1 + 7 T + p T^{2} \)
43 \( 1 + 8 T + p T^{2} \)
47 \( 1 + 8 T + p T^{2} \)
53 \( 1 - 3 T + p T^{2} \)
59 \( 1 + 13 T + p T^{2} \)
61 \( 1 + 8 T + p T^{2} \)
67 \( 1 - 9 T + p T^{2} \)
71 \( 1 + 7 T + p T^{2} \)
73 \( 1 + 2 T + p T^{2} \)
79 \( 1 - 12 T + p T^{2} \)
83 \( 1 - 5 T + p T^{2} \)
89 \( 1 + 12 T + p T^{2} \)
97 \( 1 - 2 T + p T^{2} \)
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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

−8.490339300623037157281889260704, −8.213660532125821765464224346923, −7.54352683872682538729110646066, −6.34632115168232953381843862578, −5.50548101080189124840642085625, −4.99241813943990397520918318295, −3.55437512572495651147208683365, −3.05356706831540426127652662338, −1.61688740435185646490190999504, 0, 1.61688740435185646490190999504, 3.05356706831540426127652662338, 3.55437512572495651147208683365, 4.99241813943990397520918318295, 5.50548101080189124840642085625, 6.34632115168232953381843862578, 7.54352683872682538729110646066, 8.213660532125821765464224346923, 8.490339300623037157281889260704

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