Properties

Label 2-1368-1.1-c1-0-2
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  − 3.29·5-s − 2.08·7-s − 1.29·11-s + 1.21·13-s − 4.08·17-s − 19-s + 8.95·23-s + 5.87·25-s + 9.38·29-s + 6.87·35-s − 2·37-s − 3.57·41-s + 7.72·43-s − 9.46·47-s − 2.65·49-s + 11.9·53-s + 4.27·55-s + 7.21·59-s + 4.87·61-s − 3.99·65-s + 11.3·67-s + 9.02·71-s + 5.65·73-s + 2.70·77-s + 9.57·79-s − 10.7·83-s + 13.4·85-s + ⋯
L(s)  = 1  − 1.47·5-s − 0.787·7-s − 0.391·11-s + 0.336·13-s − 0.990·17-s − 0.229·19-s + 1.86·23-s + 1.17·25-s + 1.74·29-s + 1.16·35-s − 0.328·37-s − 0.558·41-s + 1.17·43-s − 1.38·47-s − 0.379·49-s + 1.64·53-s + 0.576·55-s + 0.939·59-s + 0.623·61-s − 0.496·65-s + 1.39·67-s + 1.07·71-s + 0.662·73-s + 0.308·77-s + 1.07·79-s − 1.18·83-s + 1.46·85-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

\(L(1)\) \(\approx\) \(0.9232883795\)
\(L(\frac12)\) \(\approx\) \(0.9232883795\)
\(L(\frac{3}{2})\) 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 \( 1 + 3.29T + 5T^{2} \)
7 \( 1 + 2.08T + 7T^{2} \)
11 \( 1 + 1.29T + 11T^{2} \)
13 \( 1 - 1.21T + 13T^{2} \)
17 \( 1 + 4.08T + 17T^{2} \)
23 \( 1 - 8.95T + 23T^{2} \)
29 \( 1 - 9.38T + 29T^{2} \)
31 \( 1 + 31T^{2} \)
37 \( 1 + 2T + 37T^{2} \)
41 \( 1 + 3.57T + 41T^{2} \)
43 \( 1 - 7.72T + 43T^{2} \)
47 \( 1 + 9.46T + 47T^{2} \)
53 \( 1 - 11.9T + 53T^{2} \)
59 \( 1 - 7.21T + 59T^{2} \)
61 \( 1 - 4.87T + 61T^{2} \)
67 \( 1 - 11.3T + 67T^{2} \)
71 \( 1 - 9.02T + 71T^{2} \)
73 \( 1 - 5.65T + 73T^{2} \)
79 \( 1 - 9.57T + 79T^{2} \)
83 \( 1 + 10.7T + 83T^{2} \)
89 \( 1 + 11.0T + 89T^{2} \)
97 \( 1 + 8.59T + 97T^{2} \)
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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

−9.521343711532352671479383315856, −8.583953863782316495194189312458, −8.149447348840501420802945298796, −6.92509347355958105128872274713, −6.71421545020061515985653390695, −5.26291048552504347069671309997, −4.38188839968961964787640334971, −3.51736765501546612252135779023, −2.65747153815464978962372257134, −0.67877444607185139168919816240, 0.67877444607185139168919816240, 2.65747153815464978962372257134, 3.51736765501546612252135779023, 4.38188839968961964787640334971, 5.26291048552504347069671309997, 6.71421545020061515985653390695, 6.92509347355958105128872274713, 8.149447348840501420802945298796, 8.583953863782316495194189312458, 9.521343711532352671479383315856

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