Properties

Label 2-2240-1.1-c1-0-16
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-s − 5-s + 7-s − 2·9-s − 3·11-s + 7·13-s − 15-s − 5·17-s + 4·19-s + 21-s + 4·23-s + 25-s − 5·27-s + 5·29-s + 2·31-s − 3·33-s − 35-s + 7·39-s + 6·41-s + 8·43-s + 2·45-s − 9·47-s + 49-s − 5·51-s + 3·55-s + 4·57-s + 12·59-s + ⋯
L(s)  = 1  + 0.577·3-s − 0.447·5-s + 0.377·7-s − 2/3·9-s − 0.904·11-s + 1.94·13-s − 0.258·15-s − 1.21·17-s + 0.917·19-s + 0.218·21-s + 0.834·23-s + 1/5·25-s − 0.962·27-s + 0.928·29-s + 0.359·31-s − 0.522·33-s − 0.169·35-s + 1.12·39-s + 0.937·41-s + 1.21·43-s + 0.298·45-s − 1.31·47-s + 1/7·49-s − 0.700·51-s + 0.404·55-s + 0.529·57-s + 1.56·59-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

\(L(1)\) \(\approx\) \(2.016143368\)
\(L(\frac12)\) \(\approx\) \(2.016143368\)
\(L(\frac{3}{2})\) 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 \( 1 - T + p T^{2} \)
11 \( 1 + 3 T + p T^{2} \)
13 \( 1 - 7 T + p T^{2} \)
17 \( 1 + 5 T + p T^{2} \)
19 \( 1 - 4 T + p T^{2} \)
23 \( 1 - 4 T + p T^{2} \)
29 \( 1 - 5 T + p T^{2} \)
31 \( 1 - 2 T + p T^{2} \)
37 \( 1 + p T^{2} \)
41 \( 1 - 6 T + p T^{2} \)
43 \( 1 - 8 T + p T^{2} \)
47 \( 1 + 9 T + p T^{2} \)
53 \( 1 + p T^{2} \)
59 \( 1 - 12 T + p T^{2} \)
61 \( 1 - 6 T + p T^{2} \)
67 \( 1 - 16 T + p T^{2} \)
71 \( 1 - 4 T + p T^{2} \)
73 \( 1 + 14 T + p T^{2} \)
79 \( 1 - 9 T + p T^{2} \)
83 \( 1 + 8 T + p T^{2} \)
89 \( 1 + 6 T + p T^{2} \)
97 \( 1 - 3 T + p T^{2} \)
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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

−8.668098091186240301465957133246, −8.472758474206131892567641495130, −7.70509517442609287334023654055, −6.76087570958351408556308640215, −5.87787367149055605321045150974, −5.03833552565997461317853791236, −4.03807723835174391711734801829, −3.19392368709260422772099142876, −2.36591268566892625644480246684, −0.916090804667228214682453362701, 0.916090804667228214682453362701, 2.36591268566892625644480246684, 3.19392368709260422772099142876, 4.03807723835174391711734801829, 5.03833552565997461317853791236, 5.87787367149055605321045150974, 6.76087570958351408556308640215, 7.70509517442609287334023654055, 8.472758474206131892567641495130, 8.668098091186240301465957133246

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