Properties

Label 2-280-56.27-c1-0-18
Degree $2$
Conductor $280$
Sign $0.706 + 0.707i$
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 + 1.68i·3-s + (−1.88 − 0.679i)4-s + 5-s + (2.34 + 0.411i)6-s + (0.695 − 2.55i)7-s + (−1.40 + 2.45i)8-s + 0.163·9-s + (0.244 − 1.39i)10-s + 1.45·11-s + (1.14 − 3.16i)12-s + 5.12·13-s + (−3.38 − 1.59i)14-s + 1.68i·15-s + (3.07 + 2.55i)16-s − 0.313i·17-s + ⋯
L(s)  = 1  + (0.172 − 0.984i)2-s + 0.972i·3-s + (−0.940 − 0.339i)4-s + 0.447·5-s + (0.957 + 0.167i)6-s + (0.262 − 0.964i)7-s + (−0.497 + 0.867i)8-s + 0.0544·9-s + (0.0771 − 0.440i)10-s + 0.438·11-s + (0.330 − 0.914i)12-s + 1.42·13-s + (−0.904 − 0.425i)14-s + 0.434i·15-s + (0.768 + 0.639i)16-s − 0.0761i·17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 280 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.706 + 0.707i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 280 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.706 + 0.707i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(280\)    =    \(2^{3} \cdot 5 \cdot 7\)
Sign: $0.706 + 0.707i$
Analytic conductor: \(2.23581\)
Root analytic conductor: \(1.49526\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{280} (251, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 280,\ (\ :1/2),\ 0.706 + 0.707i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.36041 - 0.564342i\)
\(L(\frac12)\) \(\approx\) \(1.36041 - 0.564342i\)
\(L(\frac{3}{2})\) 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 \( 1 - T \)
7 \( 1 + (-0.695 + 2.55i)T \)
good3 \( 1 - 1.68iT - 3T^{2} \)
11 \( 1 - 1.45T + 11T^{2} \)
13 \( 1 - 5.12T + 13T^{2} \)
17 \( 1 + 0.313iT - 17T^{2} \)
19 \( 1 + 0.250iT - 19T^{2} \)
23 \( 1 + 4.27iT - 23T^{2} \)
29 \( 1 - 1.63iT - 29T^{2} \)
31 \( 1 + 8.96T + 31T^{2} \)
37 \( 1 + 3.47iT - 37T^{2} \)
41 \( 1 - 9.88iT - 41T^{2} \)
43 \( 1 + 8.65T + 43T^{2} \)
47 \( 1 + 7.77T + 47T^{2} \)
53 \( 1 + 1.90iT - 53T^{2} \)
59 \( 1 - 7.73iT - 59T^{2} \)
61 \( 1 - 0.415T + 61T^{2} \)
67 \( 1 - 15.2T + 67T^{2} \)
71 \( 1 - 1.50iT - 71T^{2} \)
73 \( 1 + 10.7iT - 73T^{2} \)
79 \( 1 - 9.36iT - 79T^{2} \)
83 \( 1 - 3.45iT - 83T^{2} \)
89 \( 1 - 9.12iT - 89T^{2} \)
97 \( 1 + 16.5iT - 97T^{2} \)
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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

−11.31101395679730223713316976804, −10.83578571077486631148912025356, −10.03944663990203768011615753328, −9.266131952749576177193492782144, −8.291196415177245539609758732828, −6.62135795505235130166193644835, −5.23450287584152511579364857435, −4.20652402429796836084739317786, −3.44823612157328506540109045523, −1.45598503723112908233610765494, 1.65985738756740725443342994207, 3.65520294426163686566030652052, 5.28718464778991563038783777154, 6.13664936212903125801363674864, 6.91478489501610852665081051040, 8.047401136288229093867503711828, 8.797362169568288240303233828419, 9.730475158977357273857756964253, 11.28907582669758388413042936676, 12.29624312549755722173669294492

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