Properties

Label 2-1840-23.22-c2-0-65
Degree $2$
Conductor $1840$
Sign $-0.475 + 0.879i$
Analytic cond. $50.1363$
Root an. cond. $7.08070$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 0.520·3-s + 2.23i·5-s + 10.3i·7-s − 8.72·9-s − 0.821i·11-s − 9.69·13-s + 1.16i·15-s + 21.0i·17-s − 4.31i·19-s + 5.37i·21-s + (−20.2 − 10.9i)23-s − 5.00·25-s − 9.22·27-s + 19.5·29-s − 7.54·31-s + ⋯
L(s)  = 1  + 0.173·3-s + 0.447i·5-s + 1.47i·7-s − 0.969·9-s − 0.0746i·11-s − 0.745·13-s + 0.0776i·15-s + 1.23i·17-s − 0.227i·19-s + 0.255i·21-s + (−0.879 − 0.475i)23-s − 0.200·25-s − 0.341·27-s + 0.675·29-s − 0.243·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.475 + 0.879i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (-0.475 + 0.879i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1840\)    =    \(2^{4} \cdot 5 \cdot 23\)
Sign: $-0.475 + 0.879i$
Analytic conductor: \(50.1363\)
Root analytic conductor: \(7.08070\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{1840} (321, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1840,\ (\ :1),\ -0.475 + 0.879i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.001241769719\)
\(L(\frac12)\) \(\approx\) \(0.001241769719\)
\(L(2)\) 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 \( 1 - 2.23iT \)
23 \( 1 + (20.2 + 10.9i)T \)
good3 \( 1 - 0.520T + 9T^{2} \)
7 \( 1 - 10.3iT - 49T^{2} \)
11 \( 1 + 0.821iT - 121T^{2} \)
13 \( 1 + 9.69T + 169T^{2} \)
17 \( 1 - 21.0iT - 289T^{2} \)
19 \( 1 + 4.31iT - 361T^{2} \)
29 \( 1 - 19.5T + 841T^{2} \)
31 \( 1 + 7.54T + 961T^{2} \)
37 \( 1 + 3.21iT - 1.36e3T^{2} \)
41 \( 1 - 40.2T + 1.68e3T^{2} \)
43 \( 1 + 62.2iT - 1.84e3T^{2} \)
47 \( 1 + 57.6T + 2.20e3T^{2} \)
53 \( 1 + 20.7iT - 2.80e3T^{2} \)
59 \( 1 - 51.3T + 3.48e3T^{2} \)
61 \( 1 - 61.9iT - 3.72e3T^{2} \)
67 \( 1 + 50.3iT - 4.48e3T^{2} \)
71 \( 1 + 38.6T + 5.04e3T^{2} \)
73 \( 1 - 0.482T + 5.32e3T^{2} \)
79 \( 1 + 1.75iT - 6.24e3T^{2} \)
83 \( 1 + 112. iT - 6.88e3T^{2} \)
89 \( 1 + 42.7iT - 7.92e3T^{2} \)
97 \( 1 - 47.0iT - 9.40e3T^{2} \)
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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

−8.604468902106061090192614991589, −8.335625406289142165926717011378, −7.26040506823483305694948408115, −6.14932906408127753897631090101, −5.80054516929915769240014148014, −4.81503069240676276940659445766, −3.59048049898028387816759986008, −2.63014735168375400129716740752, −2.03346085955297139428098305159, −0.00033210489355954367688232178, 1.06033316067967595094540912413, 2.47433076785585543738818587020, 3.47518249370832430209146572304, 4.43225634042570793421321150598, 5.13899564155428463840833738508, 6.16165695713115287930646321879, 7.12079050375977356786175767586, 7.75900362088245812522018002998, 8.410640178315445731492731385096, 9.545101068727681072492149283755

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