Properties

Label 2-1840-92.91-c1-0-3
Degree $2$
Conductor $1840$
Sign $-0.397 + 0.917i$
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  + 3.13i·3-s i·5-s + 1.01·7-s − 6.80·9-s − 1.65·11-s − 4.63·13-s + 3.13·15-s + 6.97i·17-s + 4.61·19-s + 3.17i·21-s + (−4.40 − 1.90i)23-s − 25-s − 11.9i·27-s + 0.837·29-s − 4.14i·31-s + ⋯
L(s)  = 1  + 1.80i·3-s − 0.447i·5-s + 0.383·7-s − 2.26·9-s − 0.498·11-s − 1.28·13-s + 0.808·15-s + 1.69i·17-s + 1.05·19-s + 0.692i·21-s + (−0.917 − 0.397i)23-s − 0.200·25-s − 2.29i·27-s + 0.155·29-s − 0.744i·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.397 + 0.917i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.397 + 0.917i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1840\)    =    \(2^{4} \cdot 5 \cdot 23\)
Sign: $-0.397 + 0.917i$
Analytic conductor: \(14.6924\)
Root analytic conductor: \(3.83307\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1840} (1471, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1840,\ (\ :1/2),\ -0.397 + 0.917i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.2821357323\)
\(L(\frac12)\) \(\approx\) \(0.2821357323\)
\(L(\frac{3}{2})\) 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 \( 1 + iT \)
23 \( 1 + (4.40 + 1.90i)T \)
good3 \( 1 - 3.13iT - 3T^{2} \)
7 \( 1 - 1.01T + 7T^{2} \)
11 \( 1 + 1.65T + 11T^{2} \)
13 \( 1 + 4.63T + 13T^{2} \)
17 \( 1 - 6.97iT - 17T^{2} \)
19 \( 1 - 4.61T + 19T^{2} \)
29 \( 1 - 0.837T + 29T^{2} \)
31 \( 1 + 4.14iT - 31T^{2} \)
37 \( 1 + 3.47iT - 37T^{2} \)
41 \( 1 + 7.51T + 41T^{2} \)
43 \( 1 + 8.42T + 43T^{2} \)
47 \( 1 + 0.172iT - 47T^{2} \)
53 \( 1 - 2.29iT - 53T^{2} \)
59 \( 1 + 1.89iT - 59T^{2} \)
61 \( 1 + 12.4iT - 61T^{2} \)
67 \( 1 - 10.2T + 67T^{2} \)
71 \( 1 + 0.841iT - 71T^{2} \)
73 \( 1 + 13.3T + 73T^{2} \)
79 \( 1 - 4.61T + 79T^{2} \)
83 \( 1 - 11.8T + 83T^{2} \)
89 \( 1 + 8.11iT - 89T^{2} \)
97 \( 1 - 14.7iT - 97T^{2} \)
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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

−9.928953797955989544977487147274, −9.192937072215767949477027446382, −8.284946474833373416172067906581, −7.83126304579501655294655359795, −6.35626930807315359743192614475, −5.35107720617490203375706554046, −4.94014883149948517803659962638, −4.09789979832193862568377342104, −3.31818368009559426843482601625, −2.08070661663876349719800380807, 0.098086398218210338594430143330, 1.47632054299043653419524942856, 2.50435880930902276433165379111, 3.13364438989102483469823001581, 4.95774797899814093726287564500, 5.50056790129914656644963203466, 6.69785350172668271731367852351, 7.13092527074609723382619656532, 7.74462220051265559301787485513, 8.341116061191691329039976938466

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