Properties

Label 2-2240-280.139-c1-0-20
Degree $2$
Conductor $2240$
Sign $-0.965 - 0.258i$
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  + 1.17·3-s + 2.23i·5-s + 2.64i·7-s − 1.62·9-s − 0.359·11-s + 5.64i·13-s + 2.62i·15-s − 2.03·17-s + 3.10i·21-s − 5.00·25-s − 5.42·27-s − 10.7i·29-s − 0.422·33-s − 5.91·35-s + 6.62i·39-s + ⋯
L(s)  = 1  + 0.677·3-s + 0.999i·5-s + 0.999i·7-s − 0.541·9-s − 0.108·11-s + 1.56i·13-s + 0.677i·15-s − 0.492·17-s + 0.677i·21-s − 1.00·25-s − 1.04·27-s − 1.99i·29-s − 0.0735·33-s − 0.999·35-s + 1.06i·39-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.965 - 0.258i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.965 - 0.258i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2240\)    =    \(2^{6} \cdot 5 \cdot 7\)
Sign: $-0.965 - 0.258i$
Analytic conductor: \(17.8864\)
Root analytic conductor: \(4.22924\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{2240} (1119, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 2240,\ (\ :1/2),\ -0.965 - 0.258i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.230302557\)
\(L(\frac12)\) \(\approx\) \(1.230302557\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.23iT \)
7 \( 1 - 2.64iT \)
good3 \( 1 - 1.17T + 3T^{2} \)
11 \( 1 + 0.359T + 11T^{2} \)
13 \( 1 - 5.64iT - 13T^{2} \)
17 \( 1 + 2.03T + 17T^{2} \)
19 \( 1 - 19T^{2} \)
23 \( 1 + 23T^{2} \)
29 \( 1 + 10.7iT - 29T^{2} \)
31 \( 1 + 31T^{2} \)
37 \( 1 + 37T^{2} \)
41 \( 1 - 41T^{2} \)
43 \( 1 - 43T^{2} \)
47 \( 1 + 5.71iT - 47T^{2} \)
53 \( 1 + 53T^{2} \)
59 \( 1 - 59T^{2} \)
61 \( 1 + 61T^{2} \)
67 \( 1 - 67T^{2} \)
71 \( 1 - 12iT - 71T^{2} \)
73 \( 1 + 10.5T + 73T^{2} \)
79 \( 1 - 15.8iT - 79T^{2} \)
83 \( 1 - 8.94T + 83T^{2} \)
89 \( 1 - 89T^{2} \)
97 \( 1 - 15.0T + 97T^{2} \)
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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

−9.346386180093342466273748004146, −8.630847796357955858846123142120, −7.980744372098043971933664559086, −7.03521097611726556240738905274, −6.30859909160481128116856847992, −5.64321322153395250656025913285, −4.40355984238123731316216426941, −3.53084062958988069730206883418, −2.46447419528241520702722251734, −2.12370449815438032970853931703, 0.36131908307115865791224792721, 1.55750273770410683843923941433, 2.93487043838718096771969679922, 3.62458372833136434131846735209, 4.69006961760661883586383706611, 5.36689992082535176608101740300, 6.29634304877482370307338280368, 7.50559764282242654939611497619, 7.889869808557509593655856404227, 8.740061325548834873367079011758

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