Properties

Label 2-28e2-28.27-c3-0-53
Degree $2$
Conductor $784$
Sign $-0.755 - 0.654i$
Analytic cond. $46.2574$
Root an. cond. $6.80128$
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  − 2.64·3-s − 8.66i·5-s − 20·9-s − 68.7i·11-s − 51.9i·13-s + 22.9i·15-s + 8.66i·17-s − 66.1·19-s + 50.4i·23-s + 49.9·25-s + 124.·27-s − 168·29-s + 224.·31-s + 181. i·33-s − 245·37-s + ⋯
L(s)  = 1  − 0.509·3-s − 0.774i·5-s − 0.740·9-s − 1.88i·11-s − 1.10i·13-s + 0.394i·15-s + 0.123i·17-s − 0.798·19-s + 0.456i·23-s + 0.399·25-s + 0.886·27-s − 1.07·29-s + 1.30·31-s + 0.959i·33-s − 1.08·37-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 784 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.755 - 0.654i)\, \overline{\Lambda}(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 784 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & (-0.755 - 0.654i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(784\)    =    \(2^{4} \cdot 7^{2}\)
Sign: $-0.755 - 0.654i$
Analytic conductor: \(46.2574\)
Root analytic conductor: \(6.80128\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: $\chi_{784} (783, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 784,\ (\ :3/2),\ -0.755 - 0.654i)\)

Particular Values

\(L(2)\) \(\approx\) \(0.4084240536\)
\(L(\frac12)\) \(\approx\) \(0.4084240536\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
7 \( 1 \)
good3 \( 1 + 2.64T + 27T^{2} \)
5 \( 1 + 8.66iT - 125T^{2} \)
11 \( 1 + 68.7iT - 1.33e3T^{2} \)
13 \( 1 + 51.9iT - 2.19e3T^{2} \)
17 \( 1 - 8.66iT - 4.91e3T^{2} \)
19 \( 1 + 66.1T + 6.85e3T^{2} \)
23 \( 1 - 50.4iT - 1.21e4T^{2} \)
29 \( 1 + 168T + 2.43e4T^{2} \)
31 \( 1 - 224.T + 2.97e4T^{2} \)
37 \( 1 + 245T + 5.06e4T^{2} \)
41 \( 1 + 45.0iT - 6.89e4T^{2} \)
43 \( 1 + 302. iT - 7.95e4T^{2} \)
47 \( 1 - 420.T + 1.03e5T^{2} \)
53 \( 1 + 345T + 1.48e5T^{2} \)
59 \( 1 + 436.T + 2.05e5T^{2} \)
61 \( 1 - 396. iT - 2.26e5T^{2} \)
67 \( 1 + 444. iT - 3.00e5T^{2} \)
71 \( 1 + 45.8iT - 3.57e5T^{2} \)
73 \( 1 - 961. iT - 3.89e5T^{2} \)
79 \( 1 + 206. iT - 4.93e5T^{2} \)
83 \( 1 - 888.T + 5.71e5T^{2} \)
89 \( 1 - 1.51e3iT - 7.04e5T^{2} \)
97 \( 1 + 433. iT - 9.12e5T^{2} \)
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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

−9.145078700130522858455436975896, −8.538387784495069937397766595609, −7.931878925746541638941218171641, −6.48875049079608344879866455486, −5.66482545383489410152100080787, −5.19416789218002778290991279052, −3.77444112539174264425937772815, −2.77873542844993789577804383348, −0.998535940301535425862912308542, −0.13654086369084919078606318422, 1.81160431336031722212983258463, 2.79657990711086001486569936346, 4.23996692814771860896622475528, 4.97671711636998636680170809910, 6.29925035623360855122718749132, 6.78810965768654259919402317581, 7.66924655030202625263219299513, 8.840539188841802522279444205675, 9.658519386911562714971921747331, 10.52995725371630951503872455985

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