Properties

Label 2-1368-1.1-c3-0-18
Degree $2$
Conductor $1368$
Sign $1$
Analytic cond. $80.7146$
Root an. cond. $8.98413$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 13.0·5-s + 31.0·7-s − 59.5·11-s + 62.8·13-s + 97.4·17-s − 19·19-s + 160.·23-s + 44.7·25-s − 300.·29-s − 62.6·31-s − 403.·35-s + 91.7·37-s − 394.·41-s − 395.·43-s + 515.·47-s + 618.·49-s + 402.·53-s + 775.·55-s + 229.·59-s + 16.8·61-s − 818.·65-s + 32.1·67-s + 141.·71-s + 667.·73-s − 1.84e3·77-s + 510.·79-s − 201.·83-s + ⋯
L(s)  = 1  − 1.16·5-s + 1.67·7-s − 1.63·11-s + 1.34·13-s + 1.39·17-s − 0.229·19-s + 1.45·23-s + 0.357·25-s − 1.92·29-s − 0.363·31-s − 1.95·35-s + 0.407·37-s − 1.50·41-s − 1.40·43-s + 1.59·47-s + 1.80·49-s + 1.04·53-s + 1.90·55-s + 0.506·59-s + 0.0354·61-s − 1.56·65-s + 0.0585·67-s + 0.237·71-s + 1.07·73-s − 2.72·77-s + 0.726·79-s − 0.265·83-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1368 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1368 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1368\)    =    \(2^{3} \cdot 3^{2} \cdot 19\)
Sign: $1$
Analytic conductor: \(80.7146\)
Root analytic conductor: \(8.98413\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1368,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(1.971261680\)
\(L(\frac12)\) \(\approx\) \(1.971261680\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 \)
19 \( 1 + 19T \)
good5 \( 1 + 13.0T + 125T^{2} \)
7 \( 1 - 31.0T + 343T^{2} \)
11 \( 1 + 59.5T + 1.33e3T^{2} \)
13 \( 1 - 62.8T + 2.19e3T^{2} \)
17 \( 1 - 97.4T + 4.91e3T^{2} \)
23 \( 1 - 160.T + 1.21e4T^{2} \)
29 \( 1 + 300.T + 2.43e4T^{2} \)
31 \( 1 + 62.6T + 2.97e4T^{2} \)
37 \( 1 - 91.7T + 5.06e4T^{2} \)
41 \( 1 + 394.T + 6.89e4T^{2} \)
43 \( 1 + 395.T + 7.95e4T^{2} \)
47 \( 1 - 515.T + 1.03e5T^{2} \)
53 \( 1 - 402.T + 1.48e5T^{2} \)
59 \( 1 - 229.T + 2.05e5T^{2} \)
61 \( 1 - 16.8T + 2.26e5T^{2} \)
67 \( 1 - 32.1T + 3.00e5T^{2} \)
71 \( 1 - 141.T + 3.57e5T^{2} \)
73 \( 1 - 667.T + 3.89e5T^{2} \)
79 \( 1 - 510.T + 4.93e5T^{2} \)
83 \( 1 + 201.T + 5.71e5T^{2} \)
89 \( 1 + 346.T + 7.04e5T^{2} \)
97 \( 1 + 490.T + 9.12e5T^{2} \)
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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

−8.913916728548588843493767872073, −8.178029012461631698944337738754, −7.81195515511471209218001324722, −7.12184973748936206402079982632, −5.51075477259800427274134009718, −5.17187611653275635814356132679, −4.03822505416348605806280971364, −3.24469770699109232009609908308, −1.85293253204800527556008565162, −0.72006897211103942193611156447, 0.72006897211103942193611156447, 1.85293253204800527556008565162, 3.24469770699109232009609908308, 4.03822505416348605806280971364, 5.17187611653275635814356132679, 5.51075477259800427274134009718, 7.12184973748936206402079982632, 7.81195515511471209218001324722, 8.178029012461631698944337738754, 8.913916728548588843493767872073

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