Properties

Label 2-2240-56.27-c1-0-37
Degree $2$
Conductor $2240$
Sign $0.980 + 0.194i$
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  − 0.237i·3-s − 5-s + (2.63 − 0.174i)7-s + 2.94·9-s + 4.69·11-s + 2.77·13-s + 0.237i·15-s − 3.55i·17-s + 6.72i·19-s + (−0.0415 − 0.627i)21-s − 8.45i·23-s + 25-s − 1.41i·27-s + 5.80i·29-s − 6.92·31-s + ⋯
L(s)  = 1  − 0.137i·3-s − 0.447·5-s + (0.997 − 0.0660i)7-s + 0.981·9-s + 1.41·11-s + 0.770·13-s + 0.0613i·15-s − 0.862i·17-s + 1.54i·19-s + (−0.00906 − 0.136i)21-s − 1.76i·23-s + 0.200·25-s − 0.271i·27-s + 1.07i·29-s − 1.24·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.980 + 0.194i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.980 + 0.194i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2240\)    =    \(2^{6} \cdot 5 \cdot 7\)
Sign: $0.980 + 0.194i$
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: \((2,\ 2240,\ (\ :1/2),\ 0.980 + 0.194i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.311967806\)
\(L(\frac12)\) \(\approx\) \(2.311967806\)
\(L(\frac{3}{2})\) 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 \( 1 + (-2.63 + 0.174i)T \)
good3 \( 1 + 0.237iT - 3T^{2} \)
11 \( 1 - 4.69T + 11T^{2} \)
13 \( 1 - 2.77T + 13T^{2} \)
17 \( 1 + 3.55iT - 17T^{2} \)
19 \( 1 - 6.72iT - 19T^{2} \)
23 \( 1 + 8.45iT - 23T^{2} \)
29 \( 1 - 5.80iT - 29T^{2} \)
31 \( 1 + 6.92T + 31T^{2} \)
37 \( 1 - 0.171iT - 37T^{2} \)
41 \( 1 - 5.71iT - 41T^{2} \)
43 \( 1 + 3.26T + 43T^{2} \)
47 \( 1 - 2.83T + 47T^{2} \)
53 \( 1 - 7.09iT - 53T^{2} \)
59 \( 1 + 4.79iT - 59T^{2} \)
61 \( 1 + 9.63T + 61T^{2} \)
67 \( 1 - 9.99T + 67T^{2} \)
71 \( 1 + 7.49iT - 71T^{2} \)
73 \( 1 - 8.35iT - 73T^{2} \)
79 \( 1 + 5.05iT - 79T^{2} \)
83 \( 1 + 9.53iT - 83T^{2} \)
89 \( 1 + 5.75iT - 89T^{2} \)
97 \( 1 - 12.7iT - 97T^{2} \)
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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

−8.884374797280907610498209151982, −8.263162991288544528250762733604, −7.44969512647242605985079455405, −6.78481928244381198269798838196, −5.98147655264182337860728330217, −4.80687896161156309462297215736, −4.18774653288032234125093227680, −3.41894780485250979284364976556, −1.83510480135552373047154844503, −1.10015864214604735167733195213, 1.13745320324610001039784294719, 1.95025414325831113796300820156, 3.65516533875990690567551147617, 4.04221487252201846614596177833, 4.96186227568139644020600264309, 5.90997566719851080512697737562, 6.90234434995427301405896013144, 7.44365448029425478141217478882, 8.342504866396042804892240938708, 9.058829400064194271660739231912

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