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Properties

Label 2-280-280.139-c1-0-23
Degree $2$
Conductor $280$
Sign $0.766 + 0.642i$
Analytic cond. $2.23581$
Root an. cond. $1.49526$
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  + (−0.244 − 1.39i)2-s + 2.91·3-s + (−1.88 + 0.682i)4-s + (1.83 + 1.27i)5-s + (−0.712 − 4.05i)6-s + (−1.52 + 2.16i)7-s + (1.41 + 2.45i)8-s + 5.47·9-s + (1.32 − 2.87i)10-s − 0.0929·11-s + (−5.47 + 1.98i)12-s − 4.08i·13-s + (3.38 + 1.59i)14-s + (5.34 + 3.71i)15-s + (3.06 − 2.56i)16-s − 4.24·17-s + ⋯
L(s)  = 1  + (−0.173 − 0.984i)2-s + 1.68·3-s + (−0.940 + 0.341i)4-s + (0.821 + 0.570i)5-s + (−0.290 − 1.65i)6-s + (−0.575 + 0.817i)7-s + (0.498 + 0.866i)8-s + 1.82·9-s + (0.419 − 0.907i)10-s − 0.0280·11-s + (−1.57 + 0.573i)12-s − 1.13i·13-s + (0.905 + 0.425i)14-s + (1.38 + 0.958i)15-s + (0.767 − 0.641i)16-s − 1.02·17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 280 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.766 + 0.642i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 280 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.766 + 0.642i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(280\)    =    \(2^{3} \cdot 5 \cdot 7\)
Sign: $0.766 + 0.642i$
Analytic conductor: \(2.23581\)
Root analytic conductor: \(1.49526\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{280} (139, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 280,\ (\ :1/2),\ 0.766 + 0.642i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.77116 - 0.644609i\)
\(L(\frac12)\) \(\approx\) \(1.77116 - 0.644609i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (0.244 + 1.39i)T \)
5 \( 1 + (-1.83 - 1.27i)T \)
7 \( 1 + (1.52 - 2.16i)T \)
good3 \( 1 - 2.91T + 3T^{2} \)
11 \( 1 + 0.0929T + 11T^{2} \)
13 \( 1 + 4.08iT - 13T^{2} \)
17 \( 1 + 4.24T + 17T^{2} \)
19 \( 1 + 2.39iT - 19T^{2} \)
23 \( 1 + 4.52T + 23T^{2} \)
29 \( 1 + 4.35iT - 29T^{2} \)
31 \( 1 - 1.10T + 31T^{2} \)
37 \( 1 + 8.54T + 37T^{2} \)
41 \( 1 + 6.10iT - 41T^{2} \)
43 \( 1 - 4.60iT - 43T^{2} \)
47 \( 1 + 7.93iT - 47T^{2} \)
53 \( 1 - 14.3T + 53T^{2} \)
59 \( 1 - 10.6iT - 59T^{2} \)
61 \( 1 - 1.92T + 61T^{2} \)
67 \( 1 - 13.1iT - 67T^{2} \)
71 \( 1 - 9.75iT - 71T^{2} \)
73 \( 1 - 6.19T + 73T^{2} \)
79 \( 1 - 3.42iT - 79T^{2} \)
83 \( 1 + 11.7T + 83T^{2} \)
89 \( 1 + 4.46iT - 89T^{2} \)
97 \( 1 - 10.1T + 97T^{2} \)
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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

−11.81604368675057860450391155669, −10.39368476157307831423040927671, −9.896156415530960325889165487571, −8.933533906214521584452147964497, −8.437889032125969330386561006548, −7.12653844248642308988467779438, −5.55992015755094388886302883552, −3.84491186230156538763447491072, −2.74834450722456813924512082117, −2.20210922555538196783142372772, 1.83293006306336516710110993277, 3.69589526367582647660260983399, 4.65707570259048015695216712143, 6.33088615289996760501387553822, 7.16033937473296063082836656884, 8.256840982294562046693977794161, 9.009053969241994765484687223471, 9.608366602580082178019532051441, 10.41042929355513784338869846561, 12.53121444797238722849217535568

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