Properties

Label 2-1386-77.76-c1-0-21
Degree $2$
Conductor $1386$
Sign $0.328 + 0.944i$
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 − 1.41i·5-s + (−2.12 + 1.58i)7-s + i·8-s − 1.41·10-s + (3.16 + i)11-s − 1.41·13-s + (1.58 + 2.12i)14-s + 16-s + 4.47·17-s + 2.82·19-s + 1.41i·20-s + (1 − 3.16i)22-s − 3.16·23-s + ⋯
L(s)  = 1  − 0.707i·2-s − 0.5·4-s − 0.632i·5-s + (−0.801 + 0.597i)7-s + 0.353i·8-s − 0.447·10-s + (0.953 + 0.301i)11-s − 0.392·13-s + (0.422 + 0.566i)14-s + 0.250·16-s + 1.08·17-s + 0.648·19-s + 0.316i·20-s + (0.213 − 0.674i)22-s − 0.659·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1386 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.328 + 0.944i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1386 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.328 + 0.944i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1386\)    =    \(2 \cdot 3^{2} \cdot 7 \cdot 11\)
Sign: $0.328 + 0.944i$
Analytic conductor: \(11.0672\)
Root analytic conductor: \(3.32675\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1386} (307, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1386,\ (\ :1/2),\ 0.328 + 0.944i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.494291864\)
\(L(\frac12)\) \(\approx\) \(1.494291864\)
\(L(\frac{3}{2})\) 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 \( 1 + (2.12 - 1.58i)T \)
11 \( 1 + (-3.16 - i)T \)
good5 \( 1 + 1.41iT - 5T^{2} \)
13 \( 1 + 1.41T + 13T^{2} \)
17 \( 1 - 4.47T + 17T^{2} \)
19 \( 1 - 2.82T + 19T^{2} \)
23 \( 1 + 3.16T + 23T^{2} \)
29 \( 1 - 6iT - 29T^{2} \)
31 \( 1 + 8.94iT - 31T^{2} \)
37 \( 1 - 2T + 37T^{2} \)
41 \( 1 - 8.94T + 41T^{2} \)
43 \( 1 + 6.32iT - 43T^{2} \)
47 \( 1 + 7.07iT - 47T^{2} \)
53 \( 1 - 3.16T + 53T^{2} \)
59 \( 1 + 2.82iT - 59T^{2} \)
61 \( 1 + 12.7T + 61T^{2} \)
67 \( 1 - 12T + 67T^{2} \)
71 \( 1 - 3.16T + 71T^{2} \)
73 \( 1 + 73T^{2} \)
79 \( 1 - 3.16iT - 79T^{2} \)
83 \( 1 - 4.47T + 83T^{2} \)
89 \( 1 - 16.9iT - 89T^{2} \)
97 \( 1 + 4.47iT - 97T^{2} \)
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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

−9.489382926494019164746242683875, −8.929598308420662417434800473616, −7.969386677222384078315034055196, −6.99019899429480685929631710994, −5.91508564786195742236592272398, −5.19964337766802914052882995816, −4.11000140510819991918139715694, −3.27315210999057937922649719885, −2.13550477322461214444061761278, −0.831414118950432119625578183560, 1.00644490282406680974390549487, 2.92643753530745311714825785173, 3.69224167881291866823620905194, 4.68495841262077689317275998844, 5.93400058659106275239574608056, 6.42437203381782185026599339773, 7.30201760383178441400625749596, 7.83147221560541162401190727356, 8.998512650608420334967800377191, 9.690377841978117545909582462613

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