Properties

Label 2-2240-1.1-c1-0-38
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 5-s + 7-s − 3·9-s + 2·13-s + 2·17-s − 8·19-s + 8·23-s + 25-s − 6·29-s − 35-s + 2·37-s − 6·41-s − 8·43-s + 3·45-s − 8·47-s + 49-s + 2·53-s − 8·59-s + 2·61-s − 3·63-s − 2·65-s − 8·67-s + 10·73-s − 16·79-s + 9·81-s − 16·83-s − 2·85-s + ⋯
L(s)  = 1  − 0.447·5-s + 0.377·7-s − 9-s + 0.554·13-s + 0.485·17-s − 1.83·19-s + 1.66·23-s + 1/5·25-s − 1.11·29-s − 0.169·35-s + 0.328·37-s − 0.937·41-s − 1.21·43-s + 0.447·45-s − 1.16·47-s + 1/7·49-s + 0.274·53-s − 1.04·59-s + 0.256·61-s − 0.377·63-s − 0.248·65-s − 0.977·67-s + 1.17·73-s − 1.80·79-s + 81-s − 1.75·83-s − 0.216·85-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: \(1\)
Selberg data: \((2,\ 2240,\ (\ :1/2),\ -1)\)

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 \( 1 \)
5 \( 1 + T \)
7 \( 1 - T \)
good3 \( 1 + p T^{2} \)
11 \( 1 + p T^{2} \)
13 \( 1 - 2 T + p T^{2} \)
17 \( 1 - 2 T + p T^{2} \)
19 \( 1 + 8 T + p T^{2} \)
23 \( 1 - 8 T + p T^{2} \)
29 \( 1 + 6 T + p T^{2} \)
31 \( 1 + p T^{2} \)
37 \( 1 - 2 T + p T^{2} \)
41 \( 1 + 6 T + p T^{2} \)
43 \( 1 + 8 T + p T^{2} \)
47 \( 1 + 8 T + p T^{2} \)
53 \( 1 - 2 T + p T^{2} \)
59 \( 1 + 8 T + p T^{2} \)
61 \( 1 - 2 T + p T^{2} \)
67 \( 1 + 8 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 - 10 T + p T^{2} \)
79 \( 1 + 16 T + p T^{2} \)
83 \( 1 + 16 T + p T^{2} \)
89 \( 1 - 10 T + p T^{2} \)
97 \( 1 + 14 T + p T^{2} \)
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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

−8.542888456146907943310150762194, −8.101896361223496279215404471520, −7.08238801180409597632017840133, −6.32328650531859522942267529605, −5.44974046246333672373644401925, −4.65338050774040712735752991165, −3.65431614032536343581686192220, −2.82369671155409779598436735706, −1.57106449768643065940389037433, 0, 1.57106449768643065940389037433, 2.82369671155409779598436735706, 3.65431614032536343581686192220, 4.65338050774040712735752991165, 5.44974046246333672373644401925, 6.32328650531859522942267529605, 7.08238801180409597632017840133, 8.101896361223496279215404471520, 8.542888456146907943310150762194

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