Properties

Label 2-1620-9.7-c3-0-4
Degree $2$
Conductor $1620$
Sign $-0.766 - 0.642i$
Analytic cond. $95.5830$
Root an. cond. $9.77666$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (2.5 + 4.33i)5-s + (−0.606 + 1.05i)7-s + (16.8 − 29.1i)11-s + (−38.7 − 67.1i)13-s − 73.2·17-s + 39.2·19-s + (17.6 + 30.4i)23-s + (−12.5 + 21.6i)25-s + (−7.89 + 13.6i)29-s + (−26.1 − 45.3i)31-s − 6.06·35-s − 67.1·37-s + (−12.5 − 21.6i)41-s + (15.8 − 27.4i)43-s + (−206. + 357. i)47-s + ⋯
L(s)  = 1  + (0.223 + 0.387i)5-s + (−0.0327 + 0.0567i)7-s + (0.460 − 0.797i)11-s + (−0.827 − 1.43i)13-s − 1.04·17-s + 0.473·19-s + (0.159 + 0.276i)23-s + (−0.100 + 0.173i)25-s + (−0.0505 + 0.0875i)29-s + (−0.151 − 0.262i)31-s − 0.0292·35-s − 0.298·37-s + (−0.0476 − 0.0826i)41-s + (0.0562 − 0.0974i)43-s + (−0.639 + 1.10i)47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1620 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.766 - 0.642i)\, \overline{\Lambda}(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1620 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & (-0.766 - 0.642i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1620\)    =    \(2^{2} \cdot 3^{4} \cdot 5\)
Sign: $-0.766 - 0.642i$
Analytic conductor: \(95.5830\)
Root analytic conductor: \(9.77666\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: $\chi_{1620} (541, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1620,\ (\ :3/2),\ -0.766 - 0.642i)\)

Particular Values

\(L(2)\) \(\approx\) \(0.4763641582\)
\(L(\frac12)\) \(\approx\) \(0.4763641582\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 \)
5 \( 1 + (-2.5 - 4.33i)T \)
good7 \( 1 + (0.606 - 1.05i)T + (-171.5 - 297. i)T^{2} \)
11 \( 1 + (-16.8 + 29.1i)T + (-665.5 - 1.15e3i)T^{2} \)
13 \( 1 + (38.7 + 67.1i)T + (-1.09e3 + 1.90e3i)T^{2} \)
17 \( 1 + 73.2T + 4.91e3T^{2} \)
19 \( 1 - 39.2T + 6.85e3T^{2} \)
23 \( 1 + (-17.6 - 30.4i)T + (-6.08e3 + 1.05e4i)T^{2} \)
29 \( 1 + (7.89 - 13.6i)T + (-1.21e4 - 2.11e4i)T^{2} \)
31 \( 1 + (26.1 + 45.3i)T + (-1.48e4 + 2.57e4i)T^{2} \)
37 \( 1 + 67.1T + 5.06e4T^{2} \)
41 \( 1 + (12.5 + 21.6i)T + (-3.44e4 + 5.96e4i)T^{2} \)
43 \( 1 + (-15.8 + 27.4i)T + (-3.97e4 - 6.88e4i)T^{2} \)
47 \( 1 + (206. - 357. i)T + (-5.19e4 - 8.99e4i)T^{2} \)
53 \( 1 + 54.7T + 1.48e5T^{2} \)
59 \( 1 + (-257. - 446. i)T + (-1.02e5 + 1.77e5i)T^{2} \)
61 \( 1 + (431. - 747. i)T + (-1.13e5 - 1.96e5i)T^{2} \)
67 \( 1 + (-183. - 318. i)T + (-1.50e5 + 2.60e5i)T^{2} \)
71 \( 1 - 930.T + 3.57e5T^{2} \)
73 \( 1 + 797.T + 3.89e5T^{2} \)
79 \( 1 + (-42.7 + 74.1i)T + (-2.46e5 - 4.26e5i)T^{2} \)
83 \( 1 + (-45.9 + 79.6i)T + (-2.85e5 - 4.95e5i)T^{2} \)
89 \( 1 + 888.T + 7.04e5T^{2} \)
97 \( 1 + (166. - 288. i)T + (-4.56e5 - 7.90e5i)T^{2} \)
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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

−9.337505712809945124791265041789, −8.584565533538289744220670185999, −7.69268006374772660420268560827, −6.99277604043825281322079836923, −6.01355255048029109764222282347, −5.40588161209388347865926847675, −4.32709546181519320358296256189, −3.21218062919657713522452473773, −2.52612500074183597435230067988, −1.11651925315463418446353993631, 0.10488064277868972119346716566, 1.62695826077331909101729137885, 2.32889423483688059881804612852, 3.77312880881898991305815714749, 4.61356757903997577749432992305, 5.22311926180340597453700883777, 6.64152127004046244278753708678, 6.84353664300222480687692836237, 7.940881765423081235410502771755, 8.932548217894031055289644015854

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