Properties

Label 2-28e2-28.27-c3-0-50
Degree $2$
Conductor $784$
Sign $0.912 + 0.409i$
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  + 9.98·3-s + 9.37i·5-s + 72.6·9-s − 44.5i·11-s − 71.8i·13-s + 93.5i·15-s − 52.6i·17-s + 68.8·19-s − 155. i·23-s + 37.2·25-s + 456.·27-s − 131.·29-s + 2.00·31-s − 444. i·33-s − 277.·37-s + ⋯
L(s)  = 1  + 1.92·3-s + 0.838i·5-s + 2.69·9-s − 1.22i·11-s − 1.53i·13-s + 1.61i·15-s − 0.750i·17-s + 0.831·19-s − 1.41i·23-s + 0.297·25-s + 3.25·27-s − 0.843·29-s + 0.0116·31-s − 2.34i·33-s − 1.23·37-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 784 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.912 + 0.409i)\, \overline{\Lambda}(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 784 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & (0.912 + 0.409i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(784\)    =    \(2^{4} \cdot 7^{2}\)
Sign: $0.912 + 0.409i$
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: \((2,\ 784,\ (\ :3/2),\ 0.912 + 0.409i)\)

Particular Values

\(L(2)\) \(\approx\) \(4.476722053\)
\(L(\frac12)\) \(\approx\) \(4.476722053\)
\(L(\frac{5}{2})\) 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 \( 1 - 9.98T + 27T^{2} \)
5 \( 1 - 9.37iT - 125T^{2} \)
11 \( 1 + 44.5iT - 1.33e3T^{2} \)
13 \( 1 + 71.8iT - 2.19e3T^{2} \)
17 \( 1 + 52.6iT - 4.91e3T^{2} \)
19 \( 1 - 68.8T + 6.85e3T^{2} \)
23 \( 1 + 155. iT - 1.21e4T^{2} \)
29 \( 1 + 131.T + 2.43e4T^{2} \)
31 \( 1 - 2.00T + 2.97e4T^{2} \)
37 \( 1 + 277.T + 5.06e4T^{2} \)
41 \( 1 - 272. iT - 6.89e4T^{2} \)
43 \( 1 - 445. iT - 7.95e4T^{2} \)
47 \( 1 - 135.T + 1.03e5T^{2} \)
53 \( 1 - 362.T + 1.48e5T^{2} \)
59 \( 1 - 488.T + 2.05e5T^{2} \)
61 \( 1 - 113. iT - 2.26e5T^{2} \)
67 \( 1 - 463. iT - 3.00e5T^{2} \)
71 \( 1 - 480. iT - 3.57e5T^{2} \)
73 \( 1 + 146. iT - 3.89e5T^{2} \)
79 \( 1 - 1.10e3iT - 4.93e5T^{2} \)
83 \( 1 + 727.T + 5.71e5T^{2} \)
89 \( 1 + 51.3iT - 7.04e5T^{2} \)
97 \( 1 + 556. iT - 9.12e5T^{2} \)
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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

−9.811069426982796255085975829077, −8.800444112081129017477158128101, −8.226431160879578558505359667893, −7.48289603259024803612418538031, −6.67450147706750813439741149489, −5.33066715931933187947247772719, −3.91021696746004479386182661227, −2.92427759923097460019657038917, −2.75384699794676937459383217588, −0.993859496749190770960423728518, 1.56647334116511102702955655867, 2.06289762262752062557323513570, 3.57761050004487995993323178080, 4.19021471464703199751765716150, 5.22394390799017859388975008511, 7.02750292489968591086787999124, 7.38797773325007213475033290681, 8.476766338146195774984210073717, 9.119220651573256048863281632178, 9.523124332327752029918155367600

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