Properties

Label 2-1638-13.12-c1-0-28
Degree $2$
Conductor $1638$
Sign $-0.832 + 0.554i$
Analytic cond. $13.0794$
Root an. cond. $3.61655$
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 + i·5-s i·7-s + i·8-s + 10-s − 3i·11-s + (3 − 2i)13-s − 14-s + 16-s − 7·17-s + 3i·19-s i·20-s − 3·22-s − 23-s + ⋯
L(s)  = 1  − 0.707i·2-s − 0.5·4-s + 0.447i·5-s − 0.377i·7-s + 0.353i·8-s + 0.316·10-s − 0.904i·11-s + (0.832 − 0.554i)13-s − 0.267·14-s + 0.250·16-s − 1.69·17-s + 0.688i·19-s − 0.223i·20-s − 0.639·22-s − 0.208·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1638 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.832 + 0.554i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1638 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.832 + 0.554i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1638\)    =    \(2 \cdot 3^{2} \cdot 7 \cdot 13\)
Sign: $-0.832 + 0.554i$
Analytic conductor: \(13.0794\)
Root analytic conductor: \(3.61655\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1638} (883, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1638,\ (\ :1/2),\ -0.832 + 0.554i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.104482834\)
\(L(\frac12)\) \(\approx\) \(1.104482834\)
\(L(\frac{3}{2})\) 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 \( 1 + iT \)
13 \( 1 + (-3 + 2i)T \)
good5 \( 1 - iT - 5T^{2} \)
11 \( 1 + 3iT - 11T^{2} \)
17 \( 1 + 7T + 17T^{2} \)
19 \( 1 - 3iT - 19T^{2} \)
23 \( 1 + T + 23T^{2} \)
29 \( 1 - T + 29T^{2} \)
31 \( 1 + 8iT - 31T^{2} \)
37 \( 1 + iT - 37T^{2} \)
41 \( 1 + 4iT - 41T^{2} \)
43 \( 1 + 5T + 43T^{2} \)
47 \( 1 - 47T^{2} \)
53 \( 1 - 6T + 53T^{2} \)
59 \( 1 + 10iT - 59T^{2} \)
61 \( 1 + 13T + 61T^{2} \)
67 \( 1 + 8iT - 67T^{2} \)
71 \( 1 + 6iT - 71T^{2} \)
73 \( 1 + 13iT - 73T^{2} \)
79 \( 1 + 12T + 79T^{2} \)
83 \( 1 + 2iT - 83T^{2} \)
89 \( 1 + 12iT - 89T^{2} \)
97 \( 1 - 6iT - 97T^{2} \)
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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

−9.036663169766964913227074125002, −8.447212871770216950398191208592, −7.60679165180694987201629707348, −6.49370950599220558137566910917, −5.88599909693640224044930901627, −4.69292064562987705603786843608, −3.78409249506407770586609364440, −3.02937892189993561468092851632, −1.87768797677584806266008985872, −0.43449154123014821579076293092, 1.44992328845520740233996247774, 2.75512917064513905378117279942, 4.22323689852297148441228420542, 4.70997468921991152345028421615, 5.65882027537937429605788620253, 6.77232587042868220330736864610, 6.96367648577919162621794008613, 8.348830182637645133718463353099, 8.773497173681986127034185370986, 9.376410509124303048516779698121

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