Properties

Label 2-2240-56.27-c1-0-24
Degree $2$
Conductor $2240$
Sign $0.860 + 0.509i$
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  − 2.84i·3-s + 5-s + (−0.712 + 2.54i)7-s − 5.08·9-s + 5.41·11-s − 0.641·13-s − 2.84i·15-s + 5.16i·17-s − 3.44i·19-s + (7.24 + 2.02i)21-s + 7.94i·23-s + 25-s + 5.94i·27-s + 10.0i·29-s + 5.38·31-s + ⋯
L(s)  = 1  − 1.64i·3-s + 0.447·5-s + (−0.269 + 0.963i)7-s − 1.69·9-s + 1.63·11-s − 0.177·13-s − 0.734i·15-s + 1.25i·17-s − 0.790i·19-s + (1.58 + 0.442i)21-s + 1.65i·23-s + 0.200·25-s + 1.14i·27-s + 1.86i·29-s + 0.966·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.860 + 0.509i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.860 + 0.509i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2240\)    =    \(2^{6} \cdot 5 \cdot 7\)
Sign: $0.860 + 0.509i$
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: \((2,\ 2240,\ (\ :1/2),\ 0.860 + 0.509i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.983407430\)
\(L(\frac12)\) \(\approx\) \(1.983407430\)
\(L(\frac{3}{2})\) 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 \( 1 + (0.712 - 2.54i)T \)
good3 \( 1 + 2.84iT - 3T^{2} \)
11 \( 1 - 5.41T + 11T^{2} \)
13 \( 1 + 0.641T + 13T^{2} \)
17 \( 1 - 5.16iT - 17T^{2} \)
19 \( 1 + 3.44iT - 19T^{2} \)
23 \( 1 - 7.94iT - 23T^{2} \)
29 \( 1 - 10.0iT - 29T^{2} \)
31 \( 1 - 5.38T + 31T^{2} \)
37 \( 1 + 0.931iT - 37T^{2} \)
41 \( 1 + 8.33iT - 41T^{2} \)
43 \( 1 - 6.76T + 43T^{2} \)
47 \( 1 - 8.86T + 47T^{2} \)
53 \( 1 + 6.31iT - 53T^{2} \)
59 \( 1 - 11.5iT - 59T^{2} \)
61 \( 1 + 0.834T + 61T^{2} \)
67 \( 1 - 2.01T + 67T^{2} \)
71 \( 1 - 0.628iT - 71T^{2} \)
73 \( 1 - 10.3iT - 73T^{2} \)
79 \( 1 + 2.98iT - 79T^{2} \)
83 \( 1 - 11.2iT - 83T^{2} \)
89 \( 1 + 13.3iT - 89T^{2} \)
97 \( 1 - 9.07iT - 97T^{2} \)
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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

−8.965582547951024678247244560485, −8.229367062905040885406445173239, −7.13688980747933391213147734057, −6.77557313259330279598175932844, −5.93961892501194947802929738939, −5.45291828211962728272260434478, −3.93036322986674309751606655649, −2.83192802133393042823052809868, −1.85945098544667099079057623528, −1.17195408793703146494236977918, 0.807855168536143127045483528066, 2.56496293277592834661153488764, 3.58500937488508689076920346666, 4.36186771197192339468061858775, 4.69934222071637222312786548581, 6.02992225812818043390493625383, 6.50854798431590878884982583352, 7.61770618620925781450313197449, 8.627132973289271639907769504154, 9.417512001431295213270224683330

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