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Properties

Label 2-280-56.19-c1-0-14
Degree $2$
Conductor $280$
Sign $0.732 - 0.680i$
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  + (−0.410 + 1.35i)2-s + (2.26 − 1.30i)3-s + (−1.66 − 1.11i)4-s + (−0.5 + 0.866i)5-s + (0.841 + 3.60i)6-s + (1.72 + 2.00i)7-s + (2.18 − 1.79i)8-s + (1.92 − 3.33i)9-s + (−0.967 − 1.03i)10-s + (0.530 + 0.919i)11-s + (−5.22 − 0.338i)12-s + 0.831·13-s + (−3.42 + 1.51i)14-s + 2.61i·15-s + (1.53 + 3.69i)16-s + (4.14 − 2.39i)17-s + ⋯
L(s)  = 1  + (−0.289 + 0.957i)2-s + (1.30 − 0.755i)3-s + (−0.831 − 0.555i)4-s + (−0.223 + 0.387i)5-s + (0.343 + 1.47i)6-s + (0.652 + 0.757i)7-s + (0.772 − 0.635i)8-s + (0.642 − 1.11i)9-s + (−0.305 − 0.326i)10-s + (0.160 + 0.277i)11-s + (−1.50 − 0.0978i)12-s + 0.230·13-s + (−0.914 + 0.404i)14-s + 0.675i·15-s + (0.383 + 0.923i)16-s + (1.00 − 0.580i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 280 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.732 - 0.680i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 280 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.732 - 0.680i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(280\)    =    \(2^{3} \cdot 5 \cdot 7\)
Sign: $0.732 - 0.680i$
Analytic conductor: \(2.23581\)
Root analytic conductor: \(1.49526\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{280} (131, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 280,\ (\ :1/2),\ 0.732 - 0.680i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.48008 + 0.581456i\)
\(L(\frac12)\) \(\approx\) \(1.48008 + 0.581456i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (0.410 - 1.35i)T \)
5 \( 1 + (0.5 - 0.866i)T \)
7 \( 1 + (-1.72 - 2.00i)T \)
good3 \( 1 + (-2.26 + 1.30i)T + (1.5 - 2.59i)T^{2} \)
11 \( 1 + (-0.530 - 0.919i)T + (-5.5 + 9.52i)T^{2} \)
13 \( 1 - 0.831T + 13T^{2} \)
17 \( 1 + (-4.14 + 2.39i)T + (8.5 - 14.7i)T^{2} \)
19 \( 1 + (2.03 + 1.17i)T + (9.5 + 16.4i)T^{2} \)
23 \( 1 + (-1.32 - 0.763i)T + (11.5 + 19.9i)T^{2} \)
29 \( 1 - 3.07iT - 29T^{2} \)
31 \( 1 + (4.78 + 8.28i)T + (-15.5 + 26.8i)T^{2} \)
37 \( 1 + (10.0 + 5.81i)T + (18.5 + 32.0i)T^{2} \)
41 \( 1 - 8.76iT - 41T^{2} \)
43 \( 1 + 4.99T + 43T^{2} \)
47 \( 1 + (1.75 - 3.04i)T + (-23.5 - 40.7i)T^{2} \)
53 \( 1 + (6.61 - 3.81i)T + (26.5 - 45.8i)T^{2} \)
59 \( 1 + (3.31 - 1.91i)T + (29.5 - 51.0i)T^{2} \)
61 \( 1 + (-6.51 + 11.2i)T + (-30.5 - 52.8i)T^{2} \)
67 \( 1 + (7.36 + 12.7i)T + (-33.5 + 58.0i)T^{2} \)
71 \( 1 + 9.99iT - 71T^{2} \)
73 \( 1 + (7.06 - 4.07i)T + (36.5 - 63.2i)T^{2} \)
79 \( 1 + (-8.17 - 4.72i)T + (39.5 + 68.4i)T^{2} \)
83 \( 1 + 13.7iT - 83T^{2} \)
89 \( 1 + (-10.1 - 5.88i)T + (44.5 + 77.0i)T^{2} \)
97 \( 1 - 6.01iT - 97T^{2} \)
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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

−12.24048319051936314957822206717, −10.93932393348827626331312302994, −9.522322751739552417767922342189, −8.883368820565383258108270250275, −7.924883882769525299409861152169, −7.45088820286686706448054297775, −6.31385161635354467861932449023, −4.99153377185805417477704202882, −3.38374415335117046904347653669, −1.81320819915492317385829758045, 1.62955813668419869500165004546, 3.32664232569494199255076503504, 3.97980271068932704733996828691, 5.08774349760418832702128751471, 7.39757787616750255231954858053, 8.511490085475371681948154864900, 8.674758041005754090912895756263, 10.05707910602101385896347334791, 10.46846210998527069501801677697, 11.62070881205760634127724418799

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