Properties

Label 2-2240-1.1-c1-0-22
Degree $2$
Conductor $2240$
Sign $-1$
Analytic cond. $17.8864$
Root an. cond. $4.22924$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2.56·3-s − 5-s − 7-s + 3.56·9-s − 2.56·11-s + 0.561·13-s + 2.56·15-s + 4.56·17-s + 2.56·21-s + 25-s − 1.43·27-s + 5.68·29-s + 5.12·31-s + 6.56·33-s + 35-s − 7.12·37-s − 1.43·39-s + 2·41-s − 4·43-s − 3.56·45-s − 11.6·47-s + 49-s − 11.6·51-s − 4.87·53-s + 2.56·55-s + 10.2·59-s + 2·61-s + ⋯
L(s)  = 1  − 1.47·3-s − 0.447·5-s − 0.377·7-s + 1.18·9-s − 0.772·11-s + 0.155·13-s + 0.661·15-s + 1.10·17-s + 0.558·21-s + 0.200·25-s − 0.276·27-s + 1.05·29-s + 0.920·31-s + 1.14·33-s + 0.169·35-s − 1.17·37-s − 0.230·39-s + 0.312·41-s − 0.609·43-s − 0.530·45-s − 1.70·47-s + 0.142·49-s − 1.63·51-s − 0.669·53-s + 0.345·55-s + 1.33·59-s + 0.256·61-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: no
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 \( 1 + 2.56T + 3T^{2} \)
11 \( 1 + 2.56T + 11T^{2} \)
13 \( 1 - 0.561T + 13T^{2} \)
17 \( 1 - 4.56T + 17T^{2} \)
19 \( 1 + 19T^{2} \)
23 \( 1 + 23T^{2} \)
29 \( 1 - 5.68T + 29T^{2} \)
31 \( 1 - 5.12T + 31T^{2} \)
37 \( 1 + 7.12T + 37T^{2} \)
41 \( 1 - 2T + 41T^{2} \)
43 \( 1 + 4T + 43T^{2} \)
47 \( 1 + 11.6T + 47T^{2} \)
53 \( 1 + 4.87T + 53T^{2} \)
59 \( 1 - 10.2T + 59T^{2} \)
61 \( 1 - 2T + 61T^{2} \)
67 \( 1 - 6.24T + 67T^{2} \)
71 \( 1 + 4T + 71T^{2} \)
73 \( 1 - 16.2T + 73T^{2} \)
79 \( 1 + 12.8T + 79T^{2} \)
83 \( 1 - 6.24T + 83T^{2} \)
89 \( 1 - 12.2T + 89T^{2} \)
97 \( 1 + 15.9T + 97T^{2} \)
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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

−8.465171310912883291222650311507, −7.86218332116970317587974714569, −6.82595158847369238004008889972, −6.35874780034238525423776996856, −5.33663300685982271466866270898, −4.97306225676570154044469298428, −3.82695145689767356459927985173, −2.81681419792061339744465219807, −1.16319875709089676757108793083, 0, 1.16319875709089676757108793083, 2.81681419792061339744465219807, 3.82695145689767356459927985173, 4.97306225676570154044469298428, 5.33663300685982271466866270898, 6.35874780034238525423776996856, 6.82595158847369238004008889972, 7.86218332116970317587974714569, 8.465171310912883291222650311507

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