Properties

Label 2-378-1.1-c3-0-5
Degree $2$
Conductor $378$
Sign $1$
Analytic cond. $22.3027$
Root an. cond. $4.72257$
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  + 2·2-s + 4·4-s − 19.8·5-s + 7·7-s + 8·8-s − 39.7·10-s − 39.7·11-s + 88.6·13-s + 14·14-s + 16·16-s + 72.7·17-s + 38·19-s − 79.4·20-s − 79.4·22-s + 7.12·23-s + 269.·25-s + 177.·26-s + 28·28-s + 257.·29-s − 48.6·31-s + 32·32-s + 145.·34-s − 139.·35-s − 343.·37-s + 76·38-s − 158.·40-s + 217.·41-s + ⋯
L(s)  = 1  + 0.707·2-s + 0.5·4-s − 1.77·5-s + 0.377·7-s + 0.353·8-s − 1.25·10-s − 1.08·11-s + 1.89·13-s + 0.267·14-s + 0.250·16-s + 1.03·17-s + 0.458·19-s − 0.888·20-s − 0.770·22-s + 0.0646·23-s + 2.15·25-s + 1.33·26-s + 0.188·28-s + 1.64·29-s − 0.281·31-s + 0.176·32-s + 0.733·34-s − 0.671·35-s − 1.52·37-s + 0.324·38-s − 0.628·40-s + 0.826·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 378 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 378 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(378\)    =    \(2 \cdot 3^{3} \cdot 7\)
Sign: $1$
Analytic conductor: \(22.3027\)
Root analytic conductor: \(4.72257\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 378,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(2.321567249\)
\(L(\frac12)\) \(\approx\) \(2.321567249\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - 2T \)
3 \( 1 \)
7 \( 1 - 7T \)
good5 \( 1 + 19.8T + 125T^{2} \)
11 \( 1 + 39.7T + 1.33e3T^{2} \)
13 \( 1 - 88.6T + 2.19e3T^{2} \)
17 \( 1 - 72.7T + 4.91e3T^{2} \)
19 \( 1 - 38T + 6.85e3T^{2} \)
23 \( 1 - 7.12T + 1.21e4T^{2} \)
29 \( 1 - 257.T + 2.43e4T^{2} \)
31 \( 1 + 48.6T + 2.97e4T^{2} \)
37 \( 1 + 343.T + 5.06e4T^{2} \)
41 \( 1 - 217.T + 6.89e4T^{2} \)
43 \( 1 - 447.T + 7.95e4T^{2} \)
47 \( 1 - 387.T + 1.03e5T^{2} \)
53 \( 1 + 322.T + 1.48e5T^{2} \)
59 \( 1 + 539.T + 2.05e5T^{2} \)
61 \( 1 - 303.T + 2.26e5T^{2} \)
67 \( 1 + 365.T + 3.00e5T^{2} \)
71 \( 1 + 615.T + 3.57e5T^{2} \)
73 \( 1 - 123.T + 3.89e5T^{2} \)
79 \( 1 - 399.T + 4.93e5T^{2} \)
83 \( 1 - 633.T + 5.71e5T^{2} \)
89 \( 1 - 823.T + 7.04e5T^{2} \)
97 \( 1 + 607.T + 9.12e5T^{2} \)
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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

−10.97165451761081610355686279421, −10.59292998865008419399015124764, −8.746887026393357270301910279798, −7.963416328527012659560659302271, −7.34491007101857132748352108514, −5.98996425800598358099339701706, −4.86491792565251425845499135750, −3.85213835253619089502171907284, −3.05136733157141973903684438154, −0.946873441645070368289427119632, 0.946873441645070368289427119632, 3.05136733157141973903684438154, 3.85213835253619089502171907284, 4.86491792565251425845499135750, 5.98996425800598358099339701706, 7.34491007101857132748352108514, 7.963416328527012659560659302271, 8.746887026393357270301910279798, 10.59292998865008419399015124764, 10.97165451761081610355686279421

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