Properties

Label 2-2240-1.1-c1-0-0
Degree $2$
Conductor $2240$
Sign $1$
Analytic cond. $17.8864$
Root an. cond. $4.22924$
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  − 3·3-s − 5-s − 7-s + 6·9-s − 5·11-s + 5·13-s + 3·15-s − 7·17-s − 2·19-s + 3·21-s + 2·23-s + 25-s − 9·27-s − 7·29-s − 4·31-s + 15·33-s + 35-s + 6·37-s − 15·39-s − 12·41-s − 2·43-s − 6·45-s − 47-s + 49-s + 21·51-s + 5·55-s + 6·57-s + ⋯
L(s)  = 1  − 1.73·3-s − 0.447·5-s − 0.377·7-s + 2·9-s − 1.50·11-s + 1.38·13-s + 0.774·15-s − 1.69·17-s − 0.458·19-s + 0.654·21-s + 0.417·23-s + 1/5·25-s − 1.73·27-s − 1.29·29-s − 0.718·31-s + 2.61·33-s + 0.169·35-s + 0.986·37-s − 2.40·39-s − 1.87·41-s − 0.304·43-s − 0.894·45-s − 0.145·47-s + 1/7·49-s + 2.94·51-s + 0.674·55-s + 0.794·57-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2240\)    =    \(2^{6} \cdot 5 \cdot 7\)
Sign: $1$
Analytic conductor: \(17.8864\)
Root analytic conductor: \(4.22924\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 2240,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.3738745050\)
\(L(\frac12)\) \(\approx\) \(0.3738745050\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 + T \)
7 \( 1 + T \)
good3 \( 1 + p T + p T^{2} \)
11 \( 1 + 5 T + p T^{2} \)
13 \( 1 - 5 T + p T^{2} \)
17 \( 1 + 7 T + p T^{2} \)
19 \( 1 + 2 T + p T^{2} \)
23 \( 1 - 2 T + p T^{2} \)
29 \( 1 + 7 T + p T^{2} \)
31 \( 1 + 4 T + p T^{2} \)
37 \( 1 - 6 T + p T^{2} \)
41 \( 1 + 12 T + p T^{2} \)
43 \( 1 + 2 T + p T^{2} \)
47 \( 1 + T + p T^{2} \)
53 \( 1 + p T^{2} \)
59 \( 1 + 4 T + p T^{2} \)
61 \( 1 + 4 T + p T^{2} \)
67 \( 1 - 8 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 - 6 T + p T^{2} \)
79 \( 1 - 3 T + p T^{2} \)
83 \( 1 + 4 T + p T^{2} \)
89 \( 1 + p T^{2} \)
97 \( 1 - 13 T + p T^{2} \)
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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

−9.042598540753496698190471958902, −8.205893462202183594605279302674, −7.24732574205984465202036599749, −6.55471779218052889203976082056, −5.91678635331389867682255214840, −5.14013739172314969133240817679, −4.42571840780149440342781486558, −3.43956343442873946903178551051, −1.94747803676559862393917859107, −0.41820752333307382401303841270, 0.41820752333307382401303841270, 1.94747803676559862393917859107, 3.43956343442873946903178551051, 4.42571840780149440342781486558, 5.14013739172314969133240817679, 5.91678635331389867682255214840, 6.55471779218052889203976082056, 7.24732574205984465202036599749, 8.205893462202183594605279302674, 9.042598540753496698190471958902

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