Properties

Label 2-1388-347.346-c2-0-39
Degree $2$
Conductor $1388$
Sign $1$
Analytic cond. $37.8202$
Root an. cond. $6.14981$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 4.68·3-s + 12.9·9-s + 11.4·11-s + 6.18·13-s + 25·25-s + 18.4·27-s − 14.8·29-s + 38.7·31-s + 53.7·33-s + 28.9·39-s − 84.2·43-s + 49·49-s − 29.3·53-s + 40.7·59-s − 106.·61-s + 124.·67-s + 141.·71-s + 145.·73-s + 117.·75-s − 29.9·81-s − 158.·83-s − 69.4·87-s + 132.·89-s + 181.·93-s + 148.·99-s − 78.6·107-s − 25.3·109-s + ⋯
L(s)  = 1  + 1.56·3-s + 1.43·9-s + 1.04·11-s + 0.476·13-s + 25-s + 0.683·27-s − 0.511·29-s + 1.24·31-s + 1.62·33-s + 0.743·39-s − 1.95·43-s + 0.999·49-s − 0.554·53-s + 0.690·59-s − 1.74·61-s + 1.86·67-s + 1.99·71-s + 1.99·73-s + 1.56·75-s − 0.370·81-s − 1.91·83-s − 0.798·87-s + 1.49·89-s + 1.94·93-s + 1.50·99-s − 0.735·107-s − 0.232·109-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1388 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1388 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1388\)    =    \(2^{2} \cdot 347\)
Sign: $1$
Analytic conductor: \(37.8202\)
Root analytic conductor: \(6.14981\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{1388} (693, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1388,\ (\ :1),\ 1)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(3.990975034\)
\(L(\frac12)\) \(\approx\) \(3.990975034\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
347 \( 1 + 347T \)
good3 \( 1 - 4.68T + 9T^{2} \)
5 \( 1 - 25T^{2} \)
7 \( 1 - 49T^{2} \)
11 \( 1 - 11.4T + 121T^{2} \)
13 \( 1 - 6.18T + 169T^{2} \)
17 \( 1 - 289T^{2} \)
19 \( 1 - 361T^{2} \)
23 \( 1 - 529T^{2} \)
29 \( 1 + 14.8T + 841T^{2} \)
31 \( 1 - 38.7T + 961T^{2} \)
37 \( 1 - 1.36e3T^{2} \)
41 \( 1 - 1.68e3T^{2} \)
43 \( 1 + 84.2T + 1.84e3T^{2} \)
47 \( 1 - 2.20e3T^{2} \)
53 \( 1 + 29.3T + 2.80e3T^{2} \)
59 \( 1 - 40.7T + 3.48e3T^{2} \)
61 \( 1 + 106.T + 3.72e3T^{2} \)
67 \( 1 - 124.T + 4.48e3T^{2} \)
71 \( 1 - 141.T + 5.04e3T^{2} \)
73 \( 1 - 145.T + 5.32e3T^{2} \)
79 \( 1 - 6.24e3T^{2} \)
83 \( 1 + 158.T + 6.88e3T^{2} \)
89 \( 1 - 132.T + 7.92e3T^{2} \)
97 \( 1 - 9.40e3T^{2} \)
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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

−9.291011654450904109860903581266, −8.530681858776366046646523494202, −8.073595207341210340936544480714, −7.01150921253656839309527242979, −6.36683616336466128378278165569, −4.99148044251890458958235568381, −3.93367891521433850182160026546, −3.30365927965141300516687246006, −2.26933973759486599997344620197, −1.18409616412781294225059480913, 1.18409616412781294225059480913, 2.26933973759486599997344620197, 3.30365927965141300516687246006, 3.93367891521433850182160026546, 4.99148044251890458958235568381, 6.36683616336466128378278165569, 7.01150921253656839309527242979, 8.073595207341210340936544480714, 8.530681858776366046646523494202, 9.291011654450904109860903581266

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