Properties

Label 2-2240-28.27-c1-0-1
Degree $2$
Conductor $2240$
Sign $-0.937 - 0.347i$
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  + 1.44·3-s + i·5-s + (−2.48 − 0.919i)7-s − 0.912·9-s − 5.66i·11-s + 5.14i·13-s + 1.44i·15-s + 1.65i·17-s − 1.33·19-s + (−3.58 − 1.32i)21-s + 3.62i·23-s − 25-s − 5.65·27-s + 0.0482·29-s + 3.08·31-s + ⋯
L(s)  = 1  + 0.834·3-s + 0.447i·5-s + (−0.937 − 0.347i)7-s − 0.304·9-s − 1.70i·11-s + 1.42i·13-s + 0.373i·15-s + 0.401i·17-s − 0.307·19-s + (−0.782 − 0.289i)21-s + 0.755i·23-s − 0.200·25-s − 1.08·27-s + 0.00895·29-s + 0.554·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.937 - 0.347i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.937 - 0.347i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2240\)    =    \(2^{6} \cdot 5 \cdot 7\)
Sign: $-0.937 - 0.347i$
Analytic conductor: \(17.8864\)
Root analytic conductor: \(4.22924\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{2240} (1791, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 2240,\ (\ :1/2),\ -0.937 - 0.347i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.4078430515\)
\(L(\frac12)\) \(\approx\) \(0.4078430515\)
\(L(\frac{3}{2})\) 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 \( 1 - iT \)
7 \( 1 + (2.48 + 0.919i)T \)
good3 \( 1 - 1.44T + 3T^{2} \)
11 \( 1 + 5.66iT - 11T^{2} \)
13 \( 1 - 5.14iT - 13T^{2} \)
17 \( 1 - 1.65iT - 17T^{2} \)
19 \( 1 + 1.33T + 19T^{2} \)
23 \( 1 - 3.62iT - 23T^{2} \)
29 \( 1 - 0.0482T + 29T^{2} \)
31 \( 1 - 3.08T + 31T^{2} \)
37 \( 1 + 11.2T + 37T^{2} \)
41 \( 1 - 2.37iT - 41T^{2} \)
43 \( 1 - 6.18iT - 43T^{2} \)
47 \( 1 + 7.75T + 47T^{2} \)
53 \( 1 + 10.5T + 53T^{2} \)
59 \( 1 + 5.32T + 59T^{2} \)
61 \( 1 + 2.30iT - 61T^{2} \)
67 \( 1 + 0.207iT - 67T^{2} \)
71 \( 1 - 6.67iT - 71T^{2} \)
73 \( 1 - 3.42iT - 73T^{2} \)
79 \( 1 - 1.73iT - 79T^{2} \)
83 \( 1 + 12.2T + 83T^{2} \)
89 \( 1 + 4.28iT - 89T^{2} \)
97 \( 1 - 12.1iT - 97T^{2} \)
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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

−9.316647638672020088772498392260, −8.589795885168437292641262593946, −8.047306812265671558908988854371, −6.95990695185256499921672269848, −6.36729102673704164741582391556, −5.65500461804438281205583268682, −4.26250935875966184738391561008, −3.35075158866821069397236773918, −3.00925254617546738176518663894, −1.67757576557642177017544034555, 0.11405959280656554460455777061, 1.92563805449427215429308865066, 2.80705517028080280194583349905, 3.54657500245365749486917865714, 4.69189673163906176241082036903, 5.43759611513058733082755502803, 6.42712522935836234988103394255, 7.26398066880770258206904509288, 8.035350570114270320699816231698, 8.727318405209517418042646988372

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