Properties

Label 2-1520-5.4-c1-0-39
Degree $2$
Conductor $1520$
Sign $-0.447 + 0.894i$
Analytic cond. $12.1372$
Root an. cond. $3.48385$
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  − 1.23i·3-s + (−1 + 2i)5-s − 4.47i·7-s + 1.47·9-s + 3.23i·13-s + (2.47 + 1.23i)15-s − 6.47i·17-s + 19-s − 5.52·21-s + 2i·23-s + (−3 − 4i)25-s − 5.52i·27-s − 2·29-s + 1.52·31-s + (8.94 + 4.47i)35-s + ⋯
L(s)  = 1  − 0.713i·3-s + (−0.447 + 0.894i)5-s − 1.69i·7-s + 0.490·9-s + 0.897i·13-s + (0.638 + 0.319i)15-s − 1.56i·17-s + 0.229·19-s − 1.20·21-s + 0.417i·23-s + (−0.600 − 0.800i)25-s − 1.06i·27-s − 0.371·29-s + 0.274·31-s + (1.51 + 0.755i)35-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1520 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.447 + 0.894i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1520 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.447 + 0.894i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1520\)    =    \(2^{4} \cdot 5 \cdot 19\)
Sign: $-0.447 + 0.894i$
Analytic conductor: \(12.1372\)
Root analytic conductor: \(3.48385\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1520} (609, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1520,\ (\ :1/2),\ -0.447 + 0.894i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.310355790\)
\(L(\frac12)\) \(\approx\) \(1.310355790\)
\(L(\frac{3}{2})\) 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 \( 1 + (1 - 2i)T \)
19 \( 1 - T \)
good3 \( 1 + 1.23iT - 3T^{2} \)
7 \( 1 + 4.47iT - 7T^{2} \)
11 \( 1 + 11T^{2} \)
13 \( 1 - 3.23iT - 13T^{2} \)
17 \( 1 + 6.47iT - 17T^{2} \)
23 \( 1 - 2iT - 23T^{2} \)
29 \( 1 + 2T + 29T^{2} \)
31 \( 1 - 1.52T + 31T^{2} \)
37 \( 1 - 4.76iT - 37T^{2} \)
41 \( 1 - 3.52T + 41T^{2} \)
43 \( 1 + 0.472iT - 43T^{2} \)
47 \( 1 + 12.4iT - 47T^{2} \)
53 \( 1 + 11.2iT - 53T^{2} \)
59 \( 1 + 10.4T + 59T^{2} \)
61 \( 1 + 4.47T + 61T^{2} \)
67 \( 1 + 1.23iT - 67T^{2} \)
71 \( 1 - 1.52T + 71T^{2} \)
73 \( 1 + 6.47iT - 73T^{2} \)
79 \( 1 + 6.47T + 79T^{2} \)
83 \( 1 + 14.9iT - 83T^{2} \)
89 \( 1 - 6.94T + 89T^{2} \)
97 \( 1 - 4.18iT - 97T^{2} \)
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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

−9.381271809379800535096420637953, −8.022533957142844517752540413513, −7.34401948694883130050108376551, −7.02333958766918565771175996025, −6.38917974441952988610920276054, −4.83756397347429447969902814539, −4.04581059692740183685151766327, −3.17061122152241894742194018719, −1.82542113696614157635501596830, −0.54003496349931498685870966663, 1.47694462615177501787957281178, 2.80689279243106968751623605986, 3.92019161124086504698463518031, 4.70923249489100859106265713991, 5.58091973879745802656206820661, 6.11796060274431820961882639778, 7.62497602293400837024737206692, 8.266233368501191408891085050228, 9.037983710308450042336330814107, 9.477123143720395338325765726226

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