Properties

Label 2-2240-1.1-c1-0-21
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 $0$

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 + 5.68·13-s − 2.56·15-s + 3.43·17-s + 1.12·19-s − 2.56·21-s + 5.12·23-s + 25-s + 1.43·27-s − 4.56·29-s + 10.2·31-s − 6.56·33-s + 35-s − 8.24·37-s + 14.5·39-s + 7.12·41-s + 1.12·43-s − 3.56·45-s − 6.56·47-s + 49-s + 8.80·51-s + 4.87·53-s + 2.56·55-s + ⋯
L(s)  = 1  + 1.47·3-s − 0.447·5-s − 0.377·7-s + 1.18·9-s − 0.772·11-s + 1.57·13-s − 0.661·15-s + 0.833·17-s + 0.257·19-s − 0.558·21-s + 1.06·23-s + 0.200·25-s + 0.276·27-s − 0.847·29-s + 1.84·31-s − 1.14·33-s + 0.169·35-s − 1.35·37-s + 2.33·39-s + 1.11·41-s + 0.171·43-s − 0.530·45-s − 0.957·47-s + 0.142·49-s + 1.23·51-s + 0.669·53-s + 0.345·55-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: \(0\)
Selberg data: \((2,\ 2240,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.885655904\)
\(L(\frac12)\) \(\approx\) \(2.885655904\)
\(L(\frac{3}{2})\) 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 \( 1 - 5.68T + 13T^{2} \)
17 \( 1 - 3.43T + 17T^{2} \)
19 \( 1 - 1.12T + 19T^{2} \)
23 \( 1 - 5.12T + 23T^{2} \)
29 \( 1 + 4.56T + 29T^{2} \)
31 \( 1 - 10.2T + 31T^{2} \)
37 \( 1 + 8.24T + 37T^{2} \)
41 \( 1 - 7.12T + 41T^{2} \)
43 \( 1 - 1.12T + 43T^{2} \)
47 \( 1 + 6.56T + 47T^{2} \)
53 \( 1 - 4.87T + 53T^{2} \)
59 \( 1 + 4T + 59T^{2} \)
61 \( 1 - 15.1T + 61T^{2} \)
67 \( 1 + 14.2T + 67T^{2} \)
71 \( 1 + 71T^{2} \)
73 \( 1 - 12.2T + 73T^{2} \)
79 \( 1 - 11.6T + 79T^{2} \)
83 \( 1 - 12T + 83T^{2} \)
89 \( 1 + 3.12T + 89T^{2} \)
97 \( 1 - 13.6T + 97T^{2} \)
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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

−8.888440225585783614233151823523, −8.273949359172296328764915601089, −7.76186171553721632148810553126, −6.93661388526730255723923729506, −5.95270970983218109135960554127, −4.92335186230312731711724586326, −3.72360740884641937350703114632, −3.32901813046669970016404063607, −2.44132100443288269508840438101, −1.09719484108411733098410469426, 1.09719484108411733098410469426, 2.44132100443288269508840438101, 3.32901813046669970016404063607, 3.72360740884641937350703114632, 4.92335186230312731711724586326, 5.95270970983218109135960554127, 6.93661388526730255723923729506, 7.76186171553721632148810553126, 8.273949359172296328764915601089, 8.888440225585783614233151823523

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