Properties

Label 2-2240-56.27-c1-0-49
Degree $2$
Conductor $2240$
Sign $-0.387 + 0.921i$
Analytic cond. $17.8864$
Root an. cond. $4.22924$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2i·3-s − 5-s + (2.44 − i)7-s − 9-s + 2·13-s + 2i·15-s − 4.89i·17-s + 2i·19-s + (−2 − 4.89i)21-s + 6i·23-s + 25-s − 4i·27-s − 9.79i·29-s + 9.79·31-s + (−2.44 + i)35-s + ⋯
L(s)  = 1  − 1.15i·3-s − 0.447·5-s + (0.925 − 0.377i)7-s − 0.333·9-s + 0.554·13-s + 0.516i·15-s − 1.18i·17-s + 0.458i·19-s + (−0.436 − 1.06i)21-s + 1.25i·23-s + 0.200·25-s − 0.769i·27-s − 1.81i·29-s + 1.75·31-s + (−0.414 + 0.169i)35-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.387 + 0.921i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.387 + 0.921i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2240\)    =    \(2^{6} \cdot 5 \cdot 7\)
Sign: $-0.387 + 0.921i$
Analytic conductor: \(17.8864\)
Root analytic conductor: \(4.22924\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{2240} (671, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 2240,\ (\ :1/2),\ -0.387 + 0.921i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.868306238\)
\(L(\frac12)\) \(\approx\) \(1.868306238\)
\(L(\frac{3}{2})\) 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 \( 1 + (-2.44 + i)T \)
good3 \( 1 + 2iT - 3T^{2} \)
11 \( 1 + 11T^{2} \)
13 \( 1 - 2T + 13T^{2} \)
17 \( 1 + 4.89iT - 17T^{2} \)
19 \( 1 - 2iT - 19T^{2} \)
23 \( 1 - 6iT - 23T^{2} \)
29 \( 1 + 9.79iT - 29T^{2} \)
31 \( 1 - 9.79T + 31T^{2} \)
37 \( 1 - 4.89iT - 37T^{2} \)
41 \( 1 - 41T^{2} \)
43 \( 1 + 4.89T + 43T^{2} \)
47 \( 1 - 4.89T + 47T^{2} \)
53 \( 1 + 4.89iT - 53T^{2} \)
59 \( 1 + 6iT - 59T^{2} \)
61 \( 1 - 10T + 61T^{2} \)
67 \( 1 + 14.6T + 67T^{2} \)
71 \( 1 + 6iT - 71T^{2} \)
73 \( 1 - 4.89iT - 73T^{2} \)
79 \( 1 - 10iT - 79T^{2} \)
83 \( 1 - 6iT - 83T^{2} \)
89 \( 1 + 9.79iT - 89T^{2} \)
97 \( 1 + 4.89iT - 97T^{2} \)
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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

−8.318813020074240120382326271084, −8.043716002026452353823916562155, −7.31248648023376401726140327625, −6.66635086971369195451188758905, −5.75748705926315709846008956760, −4.75656397615886530480565881498, −3.94264044781964025811498683169, −2.72279334321926800202505893963, −1.62660092821968019710734016055, −0.73735364301492171204219814332, 1.32349232062296915615677684455, 2.70343574448862352249166765533, 3.77318123122163781428604160620, 4.45567589124835971058304903796, 5.05321482325895381641460440560, 6.00865218586950210771019641746, 6.95831102234029890747916203864, 7.969997984379079146643434814671, 8.716677837546682141087533176723, 9.013795862175382111223014585276

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