Properties

Label 2-2240-280.139-c1-0-25
Degree $2$
Conductor $2240$
Sign $-0.485 - 0.874i$
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  − 1.78·3-s + (−0.615 + 2.14i)5-s + 2.64·7-s + 0.171·9-s + 0.737i·13-s + (1.09 − 3.82i)15-s + 5.43i·19-s − 4.71·21-s + 7.48·23-s + (−4.24 − 2.64i)25-s + 5.03·27-s + (−1.62 + 5.68i)35-s − 1.31i·39-s + (−0.105 + 0.368i)45-s + 7.00·49-s + ⋯
L(s)  = 1  − 1.02·3-s + (−0.275 + 0.961i)5-s + 0.999·7-s + 0.0571·9-s + 0.204i·13-s + (0.282 − 0.988i)15-s + 1.24i·19-s − 1.02·21-s + 1.56·23-s + (−0.848 − 0.529i)25-s + 0.969·27-s + (−0.275 + 0.961i)35-s − 0.210i·39-s + (−0.0157 + 0.0549i)45-s + 49-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.485 - 0.874i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.485 - 0.874i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2240\)    =    \(2^{6} \cdot 5 \cdot 7\)
Sign: $-0.485 - 0.874i$
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: \((2,\ 2240,\ (\ :1/2),\ -0.485 - 0.874i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.9616288835\)
\(L(\frac12)\) \(\approx\) \(0.9616288835\)
\(L(\frac{3}{2})\) 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 \( 1 + (0.615 - 2.14i)T \)
7 \( 1 - 2.64T \)
good3 \( 1 + 1.78T + 3T^{2} \)
11 \( 1 + 11T^{2} \)
13 \( 1 - 0.737iT - 13T^{2} \)
17 \( 1 + 17T^{2} \)
19 \( 1 - 5.43iT - 19T^{2} \)
23 \( 1 - 7.48T + 23T^{2} \)
29 \( 1 - 29T^{2} \)
31 \( 1 + 31T^{2} \)
37 \( 1 + 37T^{2} \)
41 \( 1 - 41T^{2} \)
43 \( 1 - 43T^{2} \)
47 \( 1 - 47T^{2} \)
53 \( 1 + 53T^{2} \)
59 \( 1 - 6.45iT - 59T^{2} \)
61 \( 1 + 10.6T + 61T^{2} \)
67 \( 1 - 67T^{2} \)
71 \( 1 + 5.65iT - 71T^{2} \)
73 \( 1 + 73T^{2} \)
79 \( 1 - 16.9iT - 79T^{2} \)
83 \( 1 - 11.8T + 83T^{2} \)
89 \( 1 - 89T^{2} \)
97 \( 1 + 97T^{2} \)
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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

−9.326285960726779521860254303791, −8.376813950716308741138448922249, −7.65280209671272463793348924265, −6.89841886538176702705384848708, −6.14114196812719016939424437475, −5.39969805986111196531644123061, −4.62545245249775395333343741584, −3.61476798214318105586844082452, −2.52710271925341926925361255371, −1.22634152846036850955283407651, 0.44425301532945436533360114095, 1.42702263101298294303620256823, 2.86636679804492277747508363113, 4.25014548267609177094248149290, 5.04496857948754845057083667189, 5.26742611516109744918470256419, 6.34556284191767889400955022979, 7.23589582219836689748840316287, 8.041682424565355435799448677098, 8.819062136631608483791139401382

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