Properties

Label 2-28e2-28.27-c3-0-43
Degree $2$
Conductor $784$
Sign $-0.777 + 0.629i$
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  − 8.86·3-s − 7.47i·5-s + 51.5·9-s − 61.2i·11-s − 12.0i·13-s + 66.2i·15-s − 100. i·17-s − 73.6·19-s + 96.8i·23-s + 69.1·25-s − 217.·27-s + 284.·29-s + 256.·31-s + 542. i·33-s + 408.·37-s + ⋯
L(s)  = 1  − 1.70·3-s − 0.668i·5-s + 1.90·9-s − 1.67i·11-s − 0.257i·13-s + 1.14i·15-s − 1.43i·17-s − 0.889·19-s + 0.877i·23-s + 0.552·25-s − 1.54·27-s + 1.82·29-s + 1.48·31-s + 2.86i·33-s + 1.81·37-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 784 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.777 + 0.629i)\, \overline{\Lambda}(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 784 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & (-0.777 + 0.629i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(784\)    =    \(2^{4} \cdot 7^{2}\)
Sign: $-0.777 + 0.629i$
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: \((2,\ 784,\ (\ :3/2),\ -0.777 + 0.629i)\)

Particular Values

\(L(2)\) \(\approx\) \(0.9223767409\)
\(L(\frac12)\) \(\approx\) \(0.9223767409\)
\(L(\frac{5}{2})\) 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 \( 1 + 8.86T + 27T^{2} \)
5 \( 1 + 7.47iT - 125T^{2} \)
11 \( 1 + 61.2iT - 1.33e3T^{2} \)
13 \( 1 + 12.0iT - 2.19e3T^{2} \)
17 \( 1 + 100. iT - 4.91e3T^{2} \)
19 \( 1 + 73.6T + 6.85e3T^{2} \)
23 \( 1 - 96.8iT - 1.21e4T^{2} \)
29 \( 1 - 284.T + 2.43e4T^{2} \)
31 \( 1 - 256.T + 2.97e4T^{2} \)
37 \( 1 - 408.T + 5.06e4T^{2} \)
41 \( 1 - 120. iT - 6.89e4T^{2} \)
43 \( 1 + 308. iT - 7.95e4T^{2} \)
47 \( 1 - 26.0T + 1.03e5T^{2} \)
53 \( 1 + 311.T + 1.48e5T^{2} \)
59 \( 1 + 444.T + 2.05e5T^{2} \)
61 \( 1 + 488. iT - 2.26e5T^{2} \)
67 \( 1 + 585. iT - 3.00e5T^{2} \)
71 \( 1 - 416. iT - 3.57e5T^{2} \)
73 \( 1 + 819. iT - 3.89e5T^{2} \)
79 \( 1 - 318. iT - 4.93e5T^{2} \)
83 \( 1 + 218.T + 5.71e5T^{2} \)
89 \( 1 + 19.4iT - 7.04e5T^{2} \)
97 \( 1 + 306. iT - 9.12e5T^{2} \)
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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

−9.741964485636199816175197390828, −8.730852254542766512626819562550, −7.82777330139728795085707492434, −6.54304242919089953763732388166, −6.06104538890923637192878794065, −5.08655614854286561858219609247, −4.53204022806833895916943856628, −2.98861350132794032729388420737, −0.989389585863575014604213873134, −0.45650989955712711569682712677, 1.14434493850927682528585218025, 2.49078069989038618227636816706, 4.43300042513150515813346980228, 4.62091180799437584491442278497, 6.26697503863164572831783098549, 6.36078922247112223610706492772, 7.32335885621288958397159630331, 8.446095077637636634513883466966, 9.924867126912766335201460634955, 10.31887729619846261519879947283

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