Properties

Label 2-2280-1.1-c1-0-15
Degree $2$
Conductor $2280$
Sign $1$
Analytic cond. $18.2058$
Root an. cond. $4.26683$
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 + 2·7-s + 9-s + 6·11-s + 4·13-s − 15-s − 2·17-s + 19-s − 2·21-s + 4·23-s + 25-s − 27-s − 8·31-s − 6·33-s + 2·35-s + 8·37-s − 4·39-s − 2·43-s + 45-s + 4·47-s − 3·49-s + 2·51-s − 14·53-s + 6·55-s − 57-s − 14·61-s + ⋯
L(s)  = 1  − 0.577·3-s + 0.447·5-s + 0.755·7-s + 1/3·9-s + 1.80·11-s + 1.10·13-s − 0.258·15-s − 0.485·17-s + 0.229·19-s − 0.436·21-s + 0.834·23-s + 1/5·25-s − 0.192·27-s − 1.43·31-s − 1.04·33-s + 0.338·35-s + 1.31·37-s − 0.640·39-s − 0.304·43-s + 0.149·45-s + 0.583·47-s − 3/7·49-s + 0.280·51-s − 1.92·53-s + 0.809·55-s − 0.132·57-s − 1.79·61-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2280 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2280 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2280\)    =    \(2^{3} \cdot 3 \cdot 5 \cdot 19\)
Sign: $1$
Analytic conductor: \(18.2058\)
Root analytic conductor: \(4.26683\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 2280,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.134716439\)
\(L(\frac12)\) \(\approx\) \(2.134716439\)
\(L(\frac{3}{2})\) 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 \( 1 - T \)
19 \( 1 - T \)
good7 \( 1 - 2 T + p T^{2} \)
11 \( 1 - 6 T + p T^{2} \)
13 \( 1 - 4 T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
23 \( 1 - 4 T + p T^{2} \)
29 \( 1 + p T^{2} \)
31 \( 1 + 8 T + p T^{2} \)
37 \( 1 - 8 T + p T^{2} \)
41 \( 1 + p T^{2} \)
43 \( 1 + 2 T + p T^{2} \)
47 \( 1 - 4 T + p T^{2} \)
53 \( 1 + 14 T + p T^{2} \)
59 \( 1 + p T^{2} \)
61 \( 1 + 14 T + p T^{2} \)
67 \( 1 - 8 T + p T^{2} \)
71 \( 1 - 8 T + p T^{2} \)
73 \( 1 + 2 T + p T^{2} \)
79 \( 1 + p T^{2} \)
83 \( 1 - 12 T + p T^{2} \)
89 \( 1 + 8 T + p T^{2} \)
97 \( 1 + 4 T + p T^{2} \)
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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

−9.184809576486902603860883170875, −8.337355231878352341914157738346, −7.35870019741368879643811536078, −6.48306399188922432270388202370, −6.05056538965456241714644666628, −5.04149604884334228319967737624, −4.25458420597759577521531817930, −3.38518004834783914635450255196, −1.81662391816304045133377298599, −1.10256520769340936628415975314, 1.10256520769340936628415975314, 1.81662391816304045133377298599, 3.38518004834783914635450255196, 4.25458420597759577521531817930, 5.04149604884334228319967737624, 6.05056538965456241714644666628, 6.48306399188922432270388202370, 7.35870019741368879643811536078, 8.337355231878352341914157738346, 9.184809576486902603860883170875

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