Properties

Label 2-1380-1.1-c1-0-15
Degree $2$
Conductor $1380$
Sign $-1$
Analytic cond. $11.0193$
Root an. cond. $3.31954$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3-s + 5-s − 3·7-s + 9-s − 2·11-s − 2·13-s + 15-s − 7·17-s − 6·19-s − 3·21-s + 23-s + 25-s + 27-s − 9·29-s + 9·31-s − 2·33-s − 3·35-s − 7·37-s − 2·39-s + 5·41-s + 45-s + 8·47-s + 2·49-s − 7·51-s − 11·53-s − 2·55-s − 6·57-s + ⋯
L(s)  = 1  + 0.577·3-s + 0.447·5-s − 1.13·7-s + 1/3·9-s − 0.603·11-s − 0.554·13-s + 0.258·15-s − 1.69·17-s − 1.37·19-s − 0.654·21-s + 0.208·23-s + 1/5·25-s + 0.192·27-s − 1.67·29-s + 1.61·31-s − 0.348·33-s − 0.507·35-s − 1.15·37-s − 0.320·39-s + 0.780·41-s + 0.149·45-s + 1.16·47-s + 2/7·49-s − 0.980·51-s − 1.51·53-s − 0.269·55-s − 0.794·57-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1380 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1380 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1380\)    =    \(2^{2} \cdot 3 \cdot 5 \cdot 23\)
Sign: $-1$
Analytic conductor: \(11.0193\)
Root analytic conductor: \(3.31954\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1380,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) 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 \( 1 - T \)
5 \( 1 - T \)
23 \( 1 - T \)
good7 \( 1 + 3 T + p T^{2} \)
11 \( 1 + 2 T + p T^{2} \)
13 \( 1 + 2 T + p T^{2} \)
17 \( 1 + 7 T + p T^{2} \)
19 \( 1 + 6 T + p T^{2} \)
29 \( 1 + 9 T + p T^{2} \)
31 \( 1 - 9 T + p T^{2} \)
37 \( 1 + 7 T + p T^{2} \)
41 \( 1 - 5 T + p T^{2} \)
43 \( 1 + p T^{2} \)
47 \( 1 - 8 T + p T^{2} \)
53 \( 1 + 11 T + p T^{2} \)
59 \( 1 - 9 T + p T^{2} \)
61 \( 1 + p T^{2} \)
67 \( 1 + 3 T + p T^{2} \)
71 \( 1 - 3 T + p T^{2} \)
73 \( 1 + 6 T + p T^{2} \)
79 \( 1 + 8 T + p T^{2} \)
83 \( 1 - 5 T + p T^{2} \)
89 \( 1 + p T^{2} \)
97 \( 1 + 10 T + p T^{2} \)
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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

−9.114626272342420246330424630098, −8.608402893779175259110116582323, −7.50086256368661123062194361771, −6.69307252699898801657576735237, −6.05722317603077213338585769719, −4.84828956114251062555624822682, −3.94385539988496915567759022760, −2.77431282556833018538797503915, −2.09630997874818263004859828457, 0, 2.09630997874818263004859828457, 2.77431282556833018538797503915, 3.94385539988496915567759022760, 4.84828956114251062555624822682, 6.05722317603077213338585769719, 6.69307252699898801657576735237, 7.50086256368661123062194361771, 8.608402893779175259110116582323, 9.114626272342420246330424630098

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