Properties

Label 2-378-1.1-c3-0-3
Degree $2$
Conductor $378$
Sign $1$
Analytic cond. $22.3027$
Root an. cond. $4.72257$
Motivic weight $3$
Arithmetic yes
Rational yes
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 + 7·5-s − 7·7-s − 8·8-s − 14·10-s + 17·11-s + 12·13-s + 14·14-s + 16·16-s + 38·17-s − 43·19-s + 28·20-s − 34·22-s + 131·23-s − 76·25-s − 24·26-s − 28·28-s + 160·29-s + 45·31-s − 32·32-s − 76·34-s − 49·35-s − 331·37-s + 86·38-s − 56·40-s − 111·41-s + ⋯
L(s)  = 1  − 0.707·2-s + 1/2·4-s + 0.626·5-s − 0.377·7-s − 0.353·8-s − 0.442·10-s + 0.465·11-s + 0.256·13-s + 0.267·14-s + 1/4·16-s + 0.542·17-s − 0.519·19-s + 0.313·20-s − 0.329·22-s + 1.18·23-s − 0.607·25-s − 0.181·26-s − 0.188·28-s + 1.02·29-s + 0.260·31-s − 0.176·32-s − 0.383·34-s − 0.236·35-s − 1.47·37-s + 0.367·38-s − 0.221·40-s − 0.422·41-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: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 378,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(1.513833874\)
\(L(\frac12)\) \(\approx\) \(1.513833874\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + p T \)
3 \( 1 \)
7 \( 1 + p T \)
good5 \( 1 - 7 T + p^{3} T^{2} \)
11 \( 1 - 17 T + p^{3} T^{2} \)
13 \( 1 - 12 T + p^{3} T^{2} \)
17 \( 1 - 38 T + p^{3} T^{2} \)
19 \( 1 + 43 T + p^{3} T^{2} \)
23 \( 1 - 131 T + p^{3} T^{2} \)
29 \( 1 - 160 T + p^{3} T^{2} \)
31 \( 1 - 45 T + p^{3} T^{2} \)
37 \( 1 + 331 T + p^{3} T^{2} \)
41 \( 1 + 111 T + p^{3} T^{2} \)
43 \( 1 - 230 T + p^{3} T^{2} \)
47 \( 1 - 6 p T + p^{3} T^{2} \)
53 \( 1 - 396 T + p^{3} T^{2} \)
59 \( 1 - 214 T + p^{3} T^{2} \)
61 \( 1 - 768 T + p^{3} T^{2} \)
67 \( 1 - 388 T + p^{3} T^{2} \)
71 \( 1 - 551 T + p^{3} T^{2} \)
73 \( 1 - 274 T + p^{3} T^{2} \)
79 \( 1 - 390 T + p^{3} T^{2} \)
83 \( 1 - 440 T + p^{3} T^{2} \)
89 \( 1 - 105 T + p^{3} T^{2} \)
97 \( 1 - 304 T + p^{3} T^{2} \)
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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

−10.68385485119613503566300198818, −9.992775179213121128210113356838, −9.127906286351567694877459202440, −8.369647940335319701601227440471, −7.11330208477243774812399161253, −6.33922289017477164872867849883, −5.27520675460473402310422871993, −3.67289520796133534732867935997, −2.32190912154338086011387358723, −0.931426166782279890743529621887, 0.931426166782279890743529621887, 2.32190912154338086011387358723, 3.67289520796133534732867935997, 5.27520675460473402310422871993, 6.33922289017477164872867849883, 7.11330208477243774812399161253, 8.369647940335319701601227440471, 9.127906286351567694877459202440, 9.992775179213121128210113356838, 10.68385485119613503566300198818

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