Properties

Label 2-2240-140.139-c1-0-16
Degree $2$
Conductor $2240$
Sign $0.314 - 0.949i$
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  − 1.86i·3-s + (2.07 + 0.836i)5-s + (−2.64 + 0.168i)7-s − 0.486·9-s + 4.26i·11-s − 5.57·13-s + (1.56 − 3.87i)15-s + 3.01·17-s + 0.0464·19-s + (0.314 + 4.93i)21-s − 5.58·23-s + (3.60 + 3.46i)25-s − 4.69i·27-s − 1.21·29-s + 4.62·31-s + ⋯
L(s)  = 1  − 1.07i·3-s + (0.927 + 0.374i)5-s + (−0.997 + 0.0635i)7-s − 0.162·9-s + 1.28i·11-s − 1.54·13-s + (0.403 − 0.999i)15-s + 0.731·17-s + 0.0106·19-s + (0.0685 + 1.07i)21-s − 1.16·23-s + (0.720 + 0.693i)25-s − 0.903i·27-s − 0.224·29-s + 0.829·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.314 - 0.949i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.314 - 0.949i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2240\)    =    \(2^{6} \cdot 5 \cdot 7\)
Sign: $0.314 - 0.949i$
Analytic conductor: \(17.8864\)
Root analytic conductor: \(4.22924\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{2240} (2239, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 2240,\ (\ :1/2),\ 0.314 - 0.949i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.131396529\)
\(L(\frac12)\) \(\approx\) \(1.131396529\)
\(L(\frac{3}{2})\) 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 \( 1 + (-2.07 - 0.836i)T \)
7 \( 1 + (2.64 - 0.168i)T \)
good3 \( 1 + 1.86iT - 3T^{2} \)
11 \( 1 - 4.26iT - 11T^{2} \)
13 \( 1 + 5.57T + 13T^{2} \)
17 \( 1 - 3.01T + 17T^{2} \)
19 \( 1 - 0.0464T + 19T^{2} \)
23 \( 1 + 5.58T + 23T^{2} \)
29 \( 1 + 1.21T + 29T^{2} \)
31 \( 1 - 4.62T + 31T^{2} \)
37 \( 1 - 9.87iT - 37T^{2} \)
41 \( 1 - 10.5iT - 41T^{2} \)
43 \( 1 + 12.4T + 43T^{2} \)
47 \( 1 - 6.78iT - 47T^{2} \)
53 \( 1 + 4.99iT - 53T^{2} \)
59 \( 1 + 7.06T + 59T^{2} \)
61 \( 1 - 11.5iT - 61T^{2} \)
67 \( 1 - 6.65T + 67T^{2} \)
71 \( 1 + 5.11iT - 71T^{2} \)
73 \( 1 - 9.67T + 73T^{2} \)
79 \( 1 - 5.90iT - 79T^{2} \)
83 \( 1 - 11.1iT - 83T^{2} \)
89 \( 1 - 1.51iT - 89T^{2} \)
97 \( 1 - 3.01T + 97T^{2} \)
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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

−9.651164519512878831098908841510, −8.144500808050008470483215125361, −7.52697071600458365160385421590, −6.60103710485404503542820400891, −6.54882325446563039046743333107, −5.36103398747474594748475848800, −4.48196488017513489404102310343, −3.02454953351083531484998044753, −2.31443852169637375543002114141, −1.42307052049147972406989012583, 0.37016728708373162815321559184, 2.11701257005444519579089619674, 3.19632759961284619830660973685, 3.92279894141991354857728699737, 5.01896108215962983518732694731, 5.57344086796227518732242436998, 6.34975415961428424908292341177, 7.28828165024651765520186559959, 8.336292671616450700767387475539, 9.210569197099689282236308653402

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