Properties

Label 2-1368-1.1-c1-0-8
Degree $2$
Conductor $1368$
Sign $1$
Analytic cond. $10.9235$
Root an. cond. $3.30507$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 0.786·5-s + 4.29·7-s + 1.21·11-s + 5.08·13-s + 2.29·17-s − 19-s − 7.67·23-s − 4.38·25-s + 0.489·29-s − 3.38·35-s − 2·37-s + 4.16·41-s + 12.9·43-s + 5.80·47-s + 11.4·49-s − 1.93·53-s − 0.954·55-s + 11.0·59-s − 5.38·61-s − 4·65-s + 2.48·67-s + 11.7·71-s − 8.46·73-s + 5.21·77-s + 1.83·79-s + 7.02·83-s − 1.80·85-s + ⋯
L(s)  = 1  − 0.351·5-s + 1.62·7-s + 0.365·11-s + 1.41·13-s + 0.557·17-s − 0.229·19-s − 1.60·23-s − 0.876·25-s + 0.0909·29-s − 0.571·35-s − 0.328·37-s + 0.650·41-s + 1.97·43-s + 0.847·47-s + 1.63·49-s − 0.266·53-s − 0.128·55-s + 1.44·59-s − 0.688·61-s − 0.496·65-s + 0.304·67-s + 1.39·71-s − 0.990·73-s + 0.594·77-s + 0.206·79-s + 0.770·83-s − 0.196·85-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(1368\)    =    \(2^{3} \cdot 3^{2} \cdot 19\)
Sign: $1$
Analytic conductor: \(10.9235\)
Root analytic conductor: \(3.30507\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1368,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.039515609\)
\(L(\frac12)\) \(\approx\) \(2.039515609\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 \)
19 \( 1 + T \)
good5 \( 1 + 0.786T + 5T^{2} \)
7 \( 1 - 4.29T + 7T^{2} \)
11 \( 1 - 1.21T + 11T^{2} \)
13 \( 1 - 5.08T + 13T^{2} \)
17 \( 1 - 2.29T + 17T^{2} \)
23 \( 1 + 7.67T + 23T^{2} \)
29 \( 1 - 0.489T + 29T^{2} \)
31 \( 1 + 31T^{2} \)
37 \( 1 + 2T + 37T^{2} \)
41 \( 1 - 4.16T + 41T^{2} \)
43 \( 1 - 12.9T + 43T^{2} \)
47 \( 1 - 5.80T + 47T^{2} \)
53 \( 1 + 1.93T + 53T^{2} \)
59 \( 1 - 11.0T + 59T^{2} \)
61 \( 1 + 5.38T + 61T^{2} \)
67 \( 1 - 2.48T + 67T^{2} \)
71 \( 1 - 11.7T + 71T^{2} \)
73 \( 1 + 8.46T + 73T^{2} \)
79 \( 1 - 1.83T + 79T^{2} \)
83 \( 1 - 7.02T + 83T^{2} \)
89 \( 1 + 13.7T + 89T^{2} \)
97 \( 1 + 3.57T + 97T^{2} \)
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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

−9.524657850022813329937014206335, −8.546559411296882277279926377242, −8.068192384646001686979147228474, −7.39457154208586676525624901754, −6.13110785229620683415338471761, −5.50423180652825148964428738548, −4.28060442266409824292326101161, −3.81240929863628255150098102167, −2.18603395152158803141700406479, −1.15051974750078079042390760728, 1.15051974750078079042390760728, 2.18603395152158803141700406479, 3.81240929863628255150098102167, 4.28060442266409824292326101161, 5.50423180652825148964428738548, 6.13110785229620683415338471761, 7.39457154208586676525624901754, 8.068192384646001686979147228474, 8.546559411296882277279926377242, 9.524657850022813329937014206335

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