Properties

Label 2-1380-1.1-c1-0-1
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 $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3-s − 5-s + 9-s − 6·13-s + 15-s + 2·17-s + 6·19-s − 23-s + 25-s − 27-s + 6·29-s − 4·31-s + 4·37-s + 6·39-s + 6·41-s + 4·43-s − 45-s − 4·47-s − 7·49-s − 2·51-s + 6·53-s − 6·57-s + 14·59-s + 6·61-s + 6·65-s − 4·67-s + 69-s + ⋯
L(s)  = 1  − 0.577·3-s − 0.447·5-s + 1/3·9-s − 1.66·13-s + 0.258·15-s + 0.485·17-s + 1.37·19-s − 0.208·23-s + 1/5·25-s − 0.192·27-s + 1.11·29-s − 0.718·31-s + 0.657·37-s + 0.960·39-s + 0.937·41-s + 0.609·43-s − 0.149·45-s − 0.583·47-s − 49-s − 0.280·51-s + 0.824·53-s − 0.794·57-s + 1.82·59-s + 0.768·61-s + 0.744·65-s − 0.488·67-s + 0.120·69-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: \(0\)
Selberg data: \((2,\ 1380,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.112463706\)
\(L(\frac12)\) \(\approx\) \(1.112463706\)
\(L(\frac{3}{2})\) 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 \( 1 + p T^{2} \)
11 \( 1 + p T^{2} \)
13 \( 1 + 6 T + p T^{2} \)
17 \( 1 - 2 T + p T^{2} \)
19 \( 1 - 6 T + p T^{2} \)
29 \( 1 - 6 T + p T^{2} \)
31 \( 1 + 4 T + p T^{2} \)
37 \( 1 - 4 T + p T^{2} \)
41 \( 1 - 6 T + p T^{2} \)
43 \( 1 - 4 T + p T^{2} \)
47 \( 1 + 4 T + p T^{2} \)
53 \( 1 - 6 T + p T^{2} \)
59 \( 1 - 14 T + p T^{2} \)
61 \( 1 - 6 T + p T^{2} \)
67 \( 1 + 4 T + p T^{2} \)
71 \( 1 + 2 T + p T^{2} \)
73 \( 1 - 10 T + p T^{2} \)
79 \( 1 + 14 T + p T^{2} \)
83 \( 1 - 4 T + p T^{2} \)
89 \( 1 - 18 T + p T^{2} \)
97 \( 1 - 12 T + p T^{2} \)
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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

−9.830349159904273807842966310427, −8.825390991248242594074315530592, −7.62392559964906712855235250638, −7.37360111084066392691752490801, −6.27622844019593209092995838934, −5.27574267122710099342800580969, −4.68711930014682965123328517967, −3.53286821090762862082127588398, −2.40753305214926979883974253821, −0.78206889330272381020238582642, 0.78206889330272381020238582642, 2.40753305214926979883974253821, 3.53286821090762862082127588398, 4.68711930014682965123328517967, 5.27574267122710099342800580969, 6.27622844019593209092995838934, 7.37360111084066392691752490801, 7.62392559964906712855235250638, 8.825390991248242594074315530592, 9.830349159904273807842966310427

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