Properties

Label 2-1840-460.459-c1-0-46
Degree $2$
Conductor $1840$
Sign $-0.0167 + 0.999i$
Analytic cond. $14.6924$
Root an. cond. $3.83307$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2.20·3-s + (1.71 − 1.43i)5-s + 0.642i·7-s + 1.85·9-s − 2.87·11-s + 0.405i·13-s + (−3.78 + 3.15i)15-s + 4.93·17-s − 2.74·19-s − 1.41i·21-s + (4.71 + 0.896i)23-s + (0.900 − 4.91i)25-s + 2.52·27-s − 1.62·29-s − 4.55i·31-s + ⋯
L(s)  = 1  − 1.27·3-s + (0.768 − 0.640i)5-s + 0.242i·7-s + 0.618·9-s − 0.865·11-s + 0.112i·13-s + (−0.977 + 0.814i)15-s + 1.19·17-s − 0.629·19-s − 0.308i·21-s + (0.982 + 0.186i)23-s + (0.180 − 0.983i)25-s + 0.485·27-s − 0.302·29-s − 0.818i·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.0167 + 0.999i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.0167 + 0.999i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1840\)    =    \(2^{4} \cdot 5 \cdot 23\)
Sign: $-0.0167 + 0.999i$
Analytic conductor: \(14.6924\)
Root analytic conductor: \(3.83307\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1840} (1839, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1840,\ (\ :1/2),\ -0.0167 + 0.999i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.9009745776\)
\(L(\frac12)\) \(\approx\) \(0.9009745776\)
\(L(\frac{3}{2})\) 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 \( 1 + (-1.71 + 1.43i)T \)
23 \( 1 + (-4.71 - 0.896i)T \)
good3 \( 1 + 2.20T + 3T^{2} \)
7 \( 1 - 0.642iT - 7T^{2} \)
11 \( 1 + 2.87T + 11T^{2} \)
13 \( 1 - 0.405iT - 13T^{2} \)
17 \( 1 - 4.93T + 17T^{2} \)
19 \( 1 + 2.74T + 19T^{2} \)
29 \( 1 + 1.62T + 29T^{2} \)
31 \( 1 + 4.55iT - 31T^{2} \)
37 \( 1 + 2.00T + 37T^{2} \)
41 \( 1 + 4.79T + 41T^{2} \)
43 \( 1 + 3.29iT - 43T^{2} \)
47 \( 1 + 3.58T + 47T^{2} \)
53 \( 1 - 0.263T + 53T^{2} \)
59 \( 1 - 10.3iT - 59T^{2} \)
61 \( 1 + 9.19iT - 61T^{2} \)
67 \( 1 - 2.18iT - 67T^{2} \)
71 \( 1 + 10.3iT - 71T^{2} \)
73 \( 1 - 4.43iT - 73T^{2} \)
79 \( 1 - 3.16T + 79T^{2} \)
83 \( 1 + 9.14iT - 83T^{2} \)
89 \( 1 + 14.0iT - 89T^{2} \)
97 \( 1 - 10.3T + 97T^{2} \)
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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

−9.108037346646971134754830812777, −8.339646648644729327085062018051, −7.36387673170784030623067972798, −6.41182659657684970402907144795, −5.61629531948819068155888347525, −5.30068904535972875671493704317, −4.43113789434119370329119925216, −2.98291065552555635324298965064, −1.72586520542686239573870515712, −0.45024779792827326402977809464, 1.11874019054597947895387656079, 2.52374078305042023935495836050, 3.52799892585769011765832694894, 5.00732526544227170324398422703, 5.35506221892745118808548203796, 6.23879351124122981252025638506, 6.85243422754423856140049056091, 7.67739779971595627805123797421, 8.697707661332690698854252284559, 9.753555561887758970499919251095

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