Properties

Label 2-1840-5.4-c1-0-62
Degree $2$
Conductor $1840$
Sign $-0.423 - 0.906i$
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  − 3.20i·3-s + (2.02 − 0.945i)5-s + 4.54i·7-s − 7.29·9-s − 4.59·11-s − 5.17i·13-s + (−3.03 − 6.50i)15-s + 3.33i·17-s − 4.43·19-s + 14.5·21-s + i·23-s + (3.21 − 3.83i)25-s + 13.8i·27-s − 4.13·29-s − 7.82·31-s + ⋯
L(s)  = 1  − 1.85i·3-s + (0.906 − 0.423i)5-s + 1.71i·7-s − 2.43·9-s − 1.38·11-s − 1.43i·13-s + (−0.783 − 1.67i)15-s + 0.809i·17-s − 1.01·19-s + 3.18·21-s + 0.208i·23-s + (0.642 − 0.766i)25-s + 2.65i·27-s − 0.766·29-s − 1.40·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.423 - 0.906i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.423 - 0.906i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1840\)    =    \(2^{4} \cdot 5 \cdot 23\)
Sign: $-0.423 - 0.906i$
Analytic conductor: \(14.6924\)
Root analytic conductor: \(3.83307\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1840} (369, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1840,\ (\ :1/2),\ -0.423 - 0.906i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.2501864348\)
\(L(\frac12)\) \(\approx\) \(0.2501864348\)
\(L(\frac{3}{2})\) 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 \( 1 + (-2.02 + 0.945i)T \)
23 \( 1 - iT \)
good3 \( 1 + 3.20iT - 3T^{2} \)
7 \( 1 - 4.54iT - 7T^{2} \)
11 \( 1 + 4.59T + 11T^{2} \)
13 \( 1 + 5.17iT - 13T^{2} \)
17 \( 1 - 3.33iT - 17T^{2} \)
19 \( 1 + 4.43T + 19T^{2} \)
29 \( 1 + 4.13T + 29T^{2} \)
31 \( 1 + 7.82T + 31T^{2} \)
37 \( 1 + 1.03iT - 37T^{2} \)
41 \( 1 + 5.75T + 41T^{2} \)
43 \( 1 - 1.67iT - 43T^{2} \)
47 \( 1 + 6.20iT - 47T^{2} \)
53 \( 1 - 7.35iT - 53T^{2} \)
59 \( 1 - 1.83T + 59T^{2} \)
61 \( 1 - 0.524T + 61T^{2} \)
67 \( 1 - 2.55iT - 67T^{2} \)
71 \( 1 - 6.58T + 71T^{2} \)
73 \( 1 - 2.41iT - 73T^{2} \)
79 \( 1 + 9.85T + 79T^{2} \)
83 \( 1 + 10.7iT - 83T^{2} \)
89 \( 1 + 5.13T + 89T^{2} \)
97 \( 1 + 3.36iT - 97T^{2} \)
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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

−8.404848139559496536759930373313, −8.147394960790228325938100189542, −7.15929079507496805843891696056, −6.09268780026426358983593958423, −5.64475955151112241787564013817, −5.27231138638300260070200779499, −3.03671722980215277601993217290, −2.30170960475056388607658095480, −1.72235620373539224898592083077, −0.080688884815721004191447698121, 2.13563420551671027901589024434, 3.27933002202998494279523652141, 4.08135979366559450669847582512, 4.78921737479619832313247774219, 5.48050758433393733796074992981, 6.58958312542455602082410713877, 7.34502378704717521107887288481, 8.456741931982538767728639226455, 9.388091391231296027605031383950, 9.807642928717241389104199624872

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