Properties

Label 2-1568-8.3-c2-0-24
Degree $2$
Conductor $1568$
Sign $0.876 + 0.481i$
Analytic cond. $42.7249$
Root an. cond. $6.53642$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 4.50·3-s − 7.01i·5-s + 11.2·9-s − 15.8·11-s − 2.90i·13-s + 31.5i·15-s + 3.31·17-s + 16.2·19-s + 19.0i·23-s − 24.1·25-s − 10.3·27-s + 21.1i·29-s + 27.3i·31-s + 71.2·33-s + 17.6i·37-s + ⋯
L(s)  = 1  − 1.50·3-s − 1.40i·5-s + 1.25·9-s − 1.43·11-s − 0.223i·13-s + 2.10i·15-s + 0.194·17-s + 0.853·19-s + 0.827i·23-s − 0.965·25-s − 0.383·27-s + 0.728i·29-s + 0.882i·31-s + 2.15·33-s + 0.477i·37-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1568 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.876 + 0.481i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1568 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.876 + 0.481i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1568\)    =    \(2^{5} \cdot 7^{2}\)
Sign: $0.876 + 0.481i$
Analytic conductor: \(42.7249\)
Root analytic conductor: \(6.53642\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{1568} (687, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1568,\ (\ :1),\ 0.876 + 0.481i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.7491500995\)
\(L(\frac12)\) \(\approx\) \(0.7491500995\)
\(L(2)\) 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 \( 1 + 4.50T + 9T^{2} \)
5 \( 1 + 7.01iT - 25T^{2} \)
11 \( 1 + 15.8T + 121T^{2} \)
13 \( 1 + 2.90iT - 169T^{2} \)
17 \( 1 - 3.31T + 289T^{2} \)
19 \( 1 - 16.2T + 361T^{2} \)
23 \( 1 - 19.0iT - 529T^{2} \)
29 \( 1 - 21.1iT - 841T^{2} \)
31 \( 1 - 27.3iT - 961T^{2} \)
37 \( 1 - 17.6iT - 1.36e3T^{2} \)
41 \( 1 + 1.13T + 1.68e3T^{2} \)
43 \( 1 + 50.2T + 1.84e3T^{2} \)
47 \( 1 - 0.759iT - 2.20e3T^{2} \)
53 \( 1 - 44.9iT - 2.80e3T^{2} \)
59 \( 1 - 2.38T + 3.48e3T^{2} \)
61 \( 1 + 99.4iT - 3.72e3T^{2} \)
67 \( 1 - 66.4T + 4.48e3T^{2} \)
71 \( 1 - 44.4iT - 5.04e3T^{2} \)
73 \( 1 + 1.71T + 5.32e3T^{2} \)
79 \( 1 + 72.6iT - 6.24e3T^{2} \)
83 \( 1 + 102.T + 6.88e3T^{2} \)
89 \( 1 - 61.3T + 7.92e3T^{2} \)
97 \( 1 - 102.T + 9.40e3T^{2} \)
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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

−9.269786026271407894329349243414, −8.315020848060760680004234034766, −7.60527406901386138464211675760, −6.61445492208886607099179193251, −5.43798419520341047451712505378, −5.30422446059219608084828839782, −4.61975541612961219264132178128, −3.21533951899199645223851324373, −1.52344942439515823925878399981, −0.56853040022988610654684602382, 0.49218367324986981730460974828, 2.25607992583420958966502670226, 3.20860597368694672412001423279, 4.47555042183049137233869813959, 5.41345217425743131544312194517, 5.99658252793289766458469908144, 6.83098038538419951935065093316, 7.40864931905502387775524907122, 8.306202732423056860191109316746, 9.809300654900015342720160241998

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