Properties

Label 2-2240-56.27-c1-0-7
Degree $2$
Conductor $2240$
Sign $0.745 - 0.667i$
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  − 2.91i·3-s − 5-s + (2.36 − 1.19i)7-s − 5.50·9-s − 0.723·11-s − 4.05·13-s + 2.91i·15-s + 6.74i·17-s + 8.55i·19-s + (−3.48 − 6.88i)21-s + 2.79i·23-s + 25-s + 7.30i·27-s + 6.62i·29-s + 4.51·31-s + ⋯
L(s)  = 1  − 1.68i·3-s − 0.447·5-s + (0.892 − 0.451i)7-s − 1.83·9-s − 0.218·11-s − 1.12·13-s + 0.752i·15-s + 1.63i·17-s + 1.96i·19-s + (−0.760 − 1.50i)21-s + 0.583i·23-s + 0.200·25-s + 1.40i·27-s + 1.23i·29-s + 0.811·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.745 - 0.667i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.745 - 0.667i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2240\)    =    \(2^{6} \cdot 5 \cdot 7\)
Sign: $0.745 - 0.667i$
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: \((2,\ 2240,\ (\ :1/2),\ 0.745 - 0.667i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.7614016491\)
\(L(\frac12)\) \(\approx\) \(0.7614016491\)
\(L(\frac{3}{2})\) 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 \( 1 + (-2.36 + 1.19i)T \)
good3 \( 1 + 2.91iT - 3T^{2} \)
11 \( 1 + 0.723T + 11T^{2} \)
13 \( 1 + 4.05T + 13T^{2} \)
17 \( 1 - 6.74iT - 17T^{2} \)
19 \( 1 - 8.55iT - 19T^{2} \)
23 \( 1 - 2.79iT - 23T^{2} \)
29 \( 1 - 6.62iT - 29T^{2} \)
31 \( 1 - 4.51T + 31T^{2} \)
37 \( 1 + 10.4iT - 37T^{2} \)
41 \( 1 - 9.91iT - 41T^{2} \)
43 \( 1 + 5.50T + 43T^{2} \)
47 \( 1 + 7.93T + 47T^{2} \)
53 \( 1 + 5.97iT - 53T^{2} \)
59 \( 1 - 6.56iT - 59T^{2} \)
61 \( 1 + 13.0T + 61T^{2} \)
67 \( 1 + 5.58T + 67T^{2} \)
71 \( 1 - 3.78iT - 71T^{2} \)
73 \( 1 - 7.79iT - 73T^{2} \)
79 \( 1 - 3.02iT - 79T^{2} \)
83 \( 1 + 4.62iT - 83T^{2} \)
89 \( 1 + 15.4iT - 89T^{2} \)
97 \( 1 - 1.26iT - 97T^{2} \)
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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

−8.691850071406991994487660757424, −7.945192571366473011067944425361, −7.78898122068190869043910179820, −6.97732860199428717419083024729, −6.13815981843308063678523309912, −5.35736258844270195194492549292, −4.26042440847559080031096402676, −3.19346651029688025246925541323, −1.87346915778199354755388471457, −1.37864713347889795334804669742, 0.26044319716686123687821217357, 2.52044797951275066484860980351, 3.06041541208668769478460067332, 4.52818468187899144905979690854, 4.73290123501124105601481512191, 5.27005376322328598065044938052, 6.59785925367354002449712608065, 7.56739208904290292447747767003, 8.352078659416760661356544668613, 9.164979742798620436350717818901

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