Properties

Label 2-1568-8.5-c1-0-16
Degree $2$
Conductor $1568$
Sign $0.659 - 0.751i$
Analytic cond. $12.5205$
Root an. cond. $3.53843$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.57i·3-s + 0.549i·5-s + 0.517·9-s − 2.39i·11-s − 3.96i·13-s − 0.866·15-s + 4.21·17-s + 6.64i·19-s + 2.34·23-s + 4.69·25-s + 5.54i·27-s − 8.21i·29-s + 0.866·31-s + 3.76·33-s − 0.265i·37-s + ⋯
L(s)  = 1  + 0.909i·3-s + 0.245i·5-s + 0.172·9-s − 0.720i·11-s − 1.10i·13-s − 0.223·15-s + 1.02·17-s + 1.52i·19-s + 0.489·23-s + 0.939·25-s + 1.06i·27-s − 1.52i·29-s + 0.155·31-s + 0.655·33-s − 0.0436i·37-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1568 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.659 - 0.751i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1568 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.659 - 0.751i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1568\)    =    \(2^{5} \cdot 7^{2}\)
Sign: $0.659 - 0.751i$
Analytic conductor: \(12.5205\)
Root analytic conductor: \(3.53843\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1568} (785, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1568,\ (\ :1/2),\ 0.659 - 0.751i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.875268372\)
\(L(\frac12)\) \(\approx\) \(1.875268372\)
\(L(\frac{3}{2})\) 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 \( 1 - 1.57iT - 3T^{2} \)
5 \( 1 - 0.549iT - 5T^{2} \)
11 \( 1 + 2.39iT - 11T^{2} \)
13 \( 1 + 3.96iT - 13T^{2} \)
17 \( 1 - 4.21T + 17T^{2} \)
19 \( 1 - 6.64iT - 19T^{2} \)
23 \( 1 - 2.34T + 23T^{2} \)
29 \( 1 + 8.21iT - 29T^{2} \)
31 \( 1 - 0.866T + 31T^{2} \)
37 \( 1 + 0.265iT - 37T^{2} \)
41 \( 1 - 6.24T + 41T^{2} \)
43 \( 1 + 5.35iT - 43T^{2} \)
47 \( 1 - 2.59T + 47T^{2} \)
53 \( 1 - 10.8iT - 53T^{2} \)
59 \( 1 - 3.77iT - 59T^{2} \)
61 \( 1 - 7.13iT - 61T^{2} \)
67 \( 1 - 2.67iT - 67T^{2} \)
71 \( 1 + 8.76T + 71T^{2} \)
73 \( 1 + 4.66T + 73T^{2} \)
79 \( 1 + 0.616T + 79T^{2} \)
83 \( 1 - 1.09iT - 83T^{2} \)
89 \( 1 - 6.39T + 89T^{2} \)
97 \( 1 + 12.9T + 97T^{2} \)
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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

−9.694101289327696035934182381842, −8.822828120811796146542278751795, −7.957531510752281017941611279479, −7.30773236147984561691475951125, −5.96673287865999365831403881854, −5.55005591011541471608988127052, −4.40611057910497230908842718511, −3.58903015924606180163727973865, −2.80120618868688771897512637700, −1.06717187075386221947111380126, 0.992185203468132920175220695897, 1.96558955011284059471403993728, 3.11103835447292380131832431765, 4.46588215099134614360666220936, 5.06817124669869480211297665706, 6.35443234644650879154433665740, 7.03619901355484989967944762583, 7.45030275206052672305684994046, 8.551849670418406618395011603457, 9.242852851815285373008101501530

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