Properties

Label 2-378-1.1-c3-0-4
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 − 18.3·5-s − 7·7-s + 8·8-s − 36.7·10-s + 53.1·11-s + 7.22·13-s − 14·14-s + 16·16-s + 88·17-s − 134.·19-s − 73.5·20-s + 106.·22-s + 155.·23-s + 213.·25-s + 14.4·26-s − 28·28-s + 119.·29-s + 321.·31-s + 32·32-s + 176·34-s + 128.·35-s + 87.7·37-s − 268.·38-s − 147.·40-s − 226.·41-s + ⋯
L(s)  = 1  + 0.707·2-s + 0.5·4-s − 1.64·5-s − 0.377·7-s + 0.353·8-s − 1.16·10-s + 1.45·11-s + 0.154·13-s − 0.267·14-s + 0.250·16-s + 1.25·17-s − 1.61·19-s − 0.822·20-s + 1.03·22-s + 1.40·23-s + 1.70·25-s + 0.108·26-s − 0.188·28-s + 0.765·29-s + 1.86·31-s + 0.176·32-s + 0.887·34-s + 0.621·35-s + 0.390·37-s − 1.14·38-s − 0.581·40-s − 0.863·41-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

\(L(2)\) \(\approx\) \(2.301702797\)
\(L(\frac12)\) \(\approx\) \(2.301702797\)
\(L(\frac{5}{2})\) 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 \( 1 + 18.3T + 125T^{2} \)
11 \( 1 - 53.1T + 1.33e3T^{2} \)
13 \( 1 - 7.22T + 2.19e3T^{2} \)
17 \( 1 - 88T + 4.91e3T^{2} \)
19 \( 1 + 134.T + 6.85e3T^{2} \)
23 \( 1 - 155.T + 1.21e4T^{2} \)
29 \( 1 - 119.T + 2.43e4T^{2} \)
31 \( 1 - 321.T + 2.97e4T^{2} \)
37 \( 1 - 87.7T + 5.06e4T^{2} \)
41 \( 1 + 226.T + 6.89e4T^{2} \)
43 \( 1 + 62.7T + 7.95e4T^{2} \)
47 \( 1 - 382.T + 1.03e5T^{2} \)
53 \( 1 + 220.T + 1.48e5T^{2} \)
59 \( 1 - 800.T + 2.05e5T^{2} \)
61 \( 1 + 813.T + 2.26e5T^{2} \)
67 \( 1 + 262.T + 3.00e5T^{2} \)
71 \( 1 - 105.T + 3.57e5T^{2} \)
73 \( 1 + 455.T + 3.89e5T^{2} \)
79 \( 1 - 1.16e3T + 4.93e5T^{2} \)
83 \( 1 + 414.T + 5.71e5T^{2} \)
89 \( 1 + 17.9T + 7.04e5T^{2} \)
97 \( 1 - 1.49e3T + 9.12e5T^{2} \)
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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

−11.23003215161683760846463547506, −10.27824740478306645504110590392, −8.896264806800846180478561626020, −8.071607124129433189462564016197, −6.98787538009114119201407795352, −6.28858966332731088170025725793, −4.69221682946840315566274369504, −3.93229887483665029232425832570, −3.04420783862828029329497288967, −0.941632509186399643468946861725, 0.941632509186399643468946861725, 3.04420783862828029329497288967, 3.93229887483665029232425832570, 4.69221682946840315566274369504, 6.28858966332731088170025725793, 6.98787538009114119201407795352, 8.071607124129433189462564016197, 8.896264806800846180478561626020, 10.27824740478306645504110590392, 11.23003215161683760846463547506

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