Properties

Label 2-2240-56.27-c1-0-5
Degree $2$
Conductor $2240$
Sign $-0.790 - 0.612i$
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  − 0.421i·3-s − 5-s + (−1.02 + 2.43i)7-s + 2.82·9-s + 1.89·11-s − 4.65·13-s + 0.421i·15-s + 7.19i·17-s + 0.834i·19-s + (1.02 + 0.432i)21-s − 5.76i·23-s + 25-s − 2.45i·27-s − 4.84i·29-s − 4.04·31-s + ⋯
L(s)  = 1  − 0.243i·3-s − 0.447·5-s + (−0.387 + 0.921i)7-s + 0.940·9-s + 0.572·11-s − 1.29·13-s + 0.108i·15-s + 1.74i·17-s + 0.191i·19-s + (0.224 + 0.0943i)21-s − 1.20i·23-s + 0.200·25-s − 0.472i·27-s − 0.899i·29-s − 0.726·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.790 - 0.612i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.790 - 0.612i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2240\)    =    \(2^{6} \cdot 5 \cdot 7\)
Sign: $-0.790 - 0.612i$
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: \((2,\ 2240,\ (\ :1/2),\ -0.790 - 0.612i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.6593543404\)
\(L(\frac12)\) \(\approx\) \(0.6593543404\)
\(L(\frac{3}{2})\) 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 \( 1 + (1.02 - 2.43i)T \)
good3 \( 1 + 0.421iT - 3T^{2} \)
11 \( 1 - 1.89T + 11T^{2} \)
13 \( 1 + 4.65T + 13T^{2} \)
17 \( 1 - 7.19iT - 17T^{2} \)
19 \( 1 - 0.834iT - 19T^{2} \)
23 \( 1 + 5.76iT - 23T^{2} \)
29 \( 1 + 4.84iT - 29T^{2} \)
31 \( 1 + 4.04T + 31T^{2} \)
37 \( 1 - 4.68iT - 37T^{2} \)
41 \( 1 - 5.81iT - 41T^{2} \)
43 \( 1 + 12.6T + 43T^{2} \)
47 \( 1 + 6.30T + 47T^{2} \)
53 \( 1 - 0.637iT - 53T^{2} \)
59 \( 1 + 5.32iT - 59T^{2} \)
61 \( 1 - 7.80T + 61T^{2} \)
67 \( 1 + 4.64T + 67T^{2} \)
71 \( 1 - 6.42iT - 71T^{2} \)
73 \( 1 + 0.227iT - 73T^{2} \)
79 \( 1 - 7.17iT - 79T^{2} \)
83 \( 1 - 4.76iT - 83T^{2} \)
89 \( 1 - 11.9iT - 89T^{2} \)
97 \( 1 - 10.3iT - 97T^{2} \)
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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

−9.479084451336862025134597925533, −8.291787830856369181604766546781, −8.062325321714209811514215174728, −6.72154798075682732995156250941, −6.55744856154242941393727940451, −5.37611947221384208575450701084, −4.46654917506249095385386298740, −3.68179950564887074708942783652, −2.51164723305557337322928112259, −1.55645849589378746789047662353, 0.22508139355954959628852882219, 1.60091122818339108383983196643, 3.06473839890215775062753165176, 3.81817612322282869860888188455, 4.69307529689726419057500621579, 5.29315969593075017861462693487, 6.78921530875870044214765562737, 7.19705862824505315545947217184, 7.61677781332156900465974873140, 8.944748292505353199334348378607

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