Properties

Label 2-1856-29.28-c1-0-14
Degree $2$
Conductor $1856$
Sign $-0.557 - 0.830i$
Analytic cond. $14.8202$
Root an. cond. $3.84970$
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  + 2.23i·3-s + 3·5-s − 2·7-s − 2.00·9-s − 2.23i·11-s + 13-s + 6.70i·15-s + 4.47i·17-s − 4.47i·21-s − 6·23-s + 4·25-s + 2.23i·27-s + (3 + 4.47i)29-s + 6.70i·31-s + 5.00·33-s + ⋯
L(s)  = 1  + 1.29i·3-s + 1.34·5-s − 0.755·7-s − 0.666·9-s − 0.674i·11-s + 0.277·13-s + 1.73i·15-s + 1.08i·17-s − 0.975i·21-s − 1.25·23-s + 0.800·25-s + 0.430i·27-s + (0.557 + 0.830i)29-s + 1.20i·31-s + 0.870·33-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1856 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.557 - 0.830i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1856 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.557 - 0.830i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1856\)    =    \(2^{6} \cdot 29\)
Sign: $-0.557 - 0.830i$
Analytic conductor: \(14.8202\)
Root analytic conductor: \(3.84970\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1856} (1217, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1856,\ (\ :1/2),\ -0.557 - 0.830i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.839566987\)
\(L(\frac12)\) \(\approx\) \(1.839566987\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
29 \( 1 + (-3 - 4.47i)T \)
good3 \( 1 - 2.23iT - 3T^{2} \)
5 \( 1 - 3T + 5T^{2} \)
7 \( 1 + 2T + 7T^{2} \)
11 \( 1 + 2.23iT - 11T^{2} \)
13 \( 1 - T + 13T^{2} \)
17 \( 1 - 4.47iT - 17T^{2} \)
19 \( 1 - 19T^{2} \)
23 \( 1 + 6T + 23T^{2} \)
31 \( 1 - 6.70iT - 31T^{2} \)
37 \( 1 - 37T^{2} \)
41 \( 1 - 4.47iT - 41T^{2} \)
43 \( 1 - 6.70iT - 43T^{2} \)
47 \( 1 - 2.23iT - 47T^{2} \)
53 \( 1 - 9T + 53T^{2} \)
59 \( 1 - 6T + 59T^{2} \)
61 \( 1 - 13.4iT - 61T^{2} \)
67 \( 1 - 8T + 67T^{2} \)
71 \( 1 + 71T^{2} \)
73 \( 1 - 73T^{2} \)
79 \( 1 + 6.70iT - 79T^{2} \)
83 \( 1 + 6T + 83T^{2} \)
89 \( 1 - 4.47iT - 89T^{2} \)
97 \( 1 + 13.4iT - 97T^{2} \)
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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

−9.718401207174014503172660308893, −8.891608137321788966076522715303, −8.337639359831187560210062794260, −6.88168922737932766630796569940, −6.04657607767764937239700105556, −5.62079058345781217666466243667, −4.57954744281582734532647341384, −3.66161620111455688895882748141, −2.87200808338468111820701320434, −1.52432755453134803901369365234, 0.66310018716206193729112951394, 2.05622677713784741169377606313, 2.40323605185343480024635260788, 3.87378433375589717569562278782, 5.18847466938266158498358514536, 6.04463265710505315401007838528, 6.53452948088980873338242776023, 7.24842491198480076559381025712, 8.034641470385678920492917201201, 9.042285192399608718153223202057

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