Properties

Label 2-387-1.1-c7-0-98
Degree $2$
Conductor $387$
Sign $1$
Analytic cond. $120.893$
Root an. cond. $10.9951$
Motivic weight $7$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 21.7·2-s + 346.·4-s + 409.·5-s + 476.·7-s + 4.76e3·8-s + 8.93e3·10-s − 6.86e3·11-s − 8.27e3·13-s + 1.03e4·14-s + 5.94e4·16-s + 1.61e4·17-s + 2.75e4·19-s + 1.42e5·20-s − 1.49e5·22-s + 6.91e4·23-s + 8.99e4·25-s − 1.80e5·26-s + 1.65e5·28-s + 1.11e5·29-s − 1.69e5·31-s + 6.84e5·32-s + 3.51e5·34-s + 1.95e5·35-s − 6.01e4·37-s + 5.99e5·38-s + 1.95e6·40-s + 8.13e5·41-s + ⋯
L(s)  = 1  + 1.92·2-s + 2.70·4-s + 1.46·5-s + 0.525·7-s + 3.28·8-s + 2.82·10-s − 1.55·11-s − 1.04·13-s + 1.01·14-s + 3.62·16-s + 0.795·17-s + 0.920·19-s + 3.97·20-s − 2.99·22-s + 1.18·23-s + 1.15·25-s − 2.01·26-s + 1.42·28-s + 0.848·29-s − 1.02·31-s + 3.69·32-s + 1.53·34-s + 0.770·35-s − 0.195·37-s + 1.77·38-s + 4.82·40-s + 1.84·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 387 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 387 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(387\)    =    \(3^{2} \cdot 43\)
Sign: $1$
Analytic conductor: \(120.893\)
Root analytic conductor: \(10.9951\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 387,\ (\ :7/2),\ 1)\)

Particular Values

\(L(4)\) \(\approx\) \(11.86758982\)
\(L(\frac12)\) \(\approx\) \(11.86758982\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
43 \( 1 - 7.95e4T \)
good2 \( 1 - 21.7T + 128T^{2} \)
5 \( 1 - 409.T + 7.81e4T^{2} \)
7 \( 1 - 476.T + 8.23e5T^{2} \)
11 \( 1 + 6.86e3T + 1.94e7T^{2} \)
13 \( 1 + 8.27e3T + 6.27e7T^{2} \)
17 \( 1 - 1.61e4T + 4.10e8T^{2} \)
19 \( 1 - 2.75e4T + 8.93e8T^{2} \)
23 \( 1 - 6.91e4T + 3.40e9T^{2} \)
29 \( 1 - 1.11e5T + 1.72e10T^{2} \)
31 \( 1 + 1.69e5T + 2.75e10T^{2} \)
37 \( 1 + 6.01e4T + 9.49e10T^{2} \)
41 \( 1 - 8.13e5T + 1.94e11T^{2} \)
47 \( 1 - 6.24e5T + 5.06e11T^{2} \)
53 \( 1 + 3.65e5T + 1.17e12T^{2} \)
59 \( 1 + 1.43e6T + 2.48e12T^{2} \)
61 \( 1 + 1.53e5T + 3.14e12T^{2} \)
67 \( 1 + 1.27e6T + 6.06e12T^{2} \)
71 \( 1 + 8.21e5T + 9.09e12T^{2} \)
73 \( 1 - 4.08e6T + 1.10e13T^{2} \)
79 \( 1 + 6.74e6T + 1.92e13T^{2} \)
83 \( 1 + 2.81e5T + 2.71e13T^{2} \)
89 \( 1 + 9.40e6T + 4.42e13T^{2} \)
97 \( 1 + 6.78e6T + 8.07e13T^{2} \)
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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

−10.47374823103088234520419213418, −9.578989126243302171812670409074, −7.77820288808684370344455216992, −7.06108391257291230484937709315, −5.75129161595720956948528642621, −5.35634946333702314801875059227, −4.64889012149631846681989404849, −2.97911984346769078873775151760, −2.46449710721727794319796426685, −1.36151408313757456544216140126, 1.36151408313757456544216140126, 2.46449710721727794319796426685, 2.97911984346769078873775151760, 4.64889012149631846681989404849, 5.35634946333702314801875059227, 5.75129161595720956948528642621, 7.06108391257291230484937709315, 7.77820288808684370344455216992, 9.578989126243302171812670409074, 10.47374823103088234520419213418

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