Properties

Label 2-1386-21.20-c1-0-18
Degree $2$
Conductor $1386$
Sign $0.341 - 0.940i$
Analytic cond. $11.0672$
Root an. cond. $3.32675$
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  + i·2-s − 4-s + 2.97·5-s + (2.55 − 0.698i)7-s i·8-s + 2.97i·10-s + i·11-s + 1.97i·13-s + (0.698 + 2.55i)14-s + 16-s − 1.57·17-s + 7.18i·19-s − 2.97·20-s − 22-s + 3.86·25-s − 1.97·26-s + ⋯
L(s)  = 1  + 0.707i·2-s − 0.5·4-s + 1.33·5-s + (0.964 − 0.264i)7-s − 0.353i·8-s + 0.941i·10-s + 0.301i·11-s + 0.548i·13-s + (0.186 + 0.681i)14-s + 0.250·16-s − 0.382·17-s + 1.64i·19-s − 0.665·20-s − 0.213·22-s + 0.772·25-s − 0.387·26-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1386 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.341 - 0.940i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1386 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.341 - 0.940i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1386\)    =    \(2 \cdot 3^{2} \cdot 7 \cdot 11\)
Sign: $0.341 - 0.940i$
Analytic conductor: \(11.0672\)
Root analytic conductor: \(3.32675\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1386} (881, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1386,\ (\ :1/2),\ 0.341 - 0.940i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.247522672\)
\(L(\frac12)\) \(\approx\) \(2.247522672\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - iT \)
3 \( 1 \)
7 \( 1 + (-2.55 + 0.698i)T \)
11 \( 1 - iT \)
good5 \( 1 - 2.97T + 5T^{2} \)
13 \( 1 - 1.97iT - 13T^{2} \)
17 \( 1 + 1.57T + 17T^{2} \)
19 \( 1 - 7.18iT - 19T^{2} \)
23 \( 1 - 23T^{2} \)
29 \( 1 + 1.30iT - 29T^{2} \)
31 \( 1 + 5.78iT - 31T^{2} \)
37 \( 1 - 8.04T + 37T^{2} \)
41 \( 1 - 3.81T + 41T^{2} \)
43 \( 1 - 9.14T + 43T^{2} \)
47 \( 1 + 2.63T + 47T^{2} \)
53 \( 1 - 8.94iT - 53T^{2} \)
59 \( 1 + 9.90T + 59T^{2} \)
61 \( 1 - 4.77iT - 61T^{2} \)
67 \( 1 - 0.699T + 67T^{2} \)
71 \( 1 + 8.48iT - 71T^{2} \)
73 \( 1 + 12.2iT - 73T^{2} \)
79 \( 1 - 11.9T + 79T^{2} \)
83 \( 1 + 17.9T + 83T^{2} \)
89 \( 1 + 8.20T + 89T^{2} \)
97 \( 1 + 8.41iT - 97T^{2} \)
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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

−9.582325697823609275898335947039, −9.002966249786291446534969915169, −7.936358533833830483873468057526, −7.42787778545765348096074039558, −6.12313208609795313089977470552, −5.91615039406950092957215888393, −4.76445658216806958287806612219, −4.05207756501806328506517862233, −2.34961118969700263908668479900, −1.40705272634629840566816131325, 1.06127850023370383166992168535, 2.19991909662191238484008084676, 2.90150928370435566598616832204, 4.40845208035693087143323128105, 5.18627401720170343887647182287, 5.87515409237236702836937906184, 6.91623275051894421177675954794, 8.042024842309756515413150906195, 8.874803819417481125350259474043, 9.414637548528334718232350501375

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