Properties

Label 1-280-280.139-r0-0-0
Degree $1$
Conductor $280$
Sign $1$
Analytic cond. $1.30031$
Root an. cond. $1.30031$
Motivic weight $0$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3-s + 9-s + 11-s − 13-s + 17-s − 19-s + 23-s + 27-s − 29-s + 31-s + 33-s + 37-s − 39-s − 41-s − 43-s − 47-s + 51-s + 53-s − 57-s − 59-s + 61-s − 67-s + 69-s − 71-s + 73-s − 79-s + 81-s + ⋯
L(s)  = 1  + 3-s + 9-s + 11-s − 13-s + 17-s − 19-s + 23-s + 27-s − 29-s + 31-s + 33-s + 37-s − 39-s − 41-s − 43-s − 47-s + 51-s + 53-s − 57-s − 59-s + 61-s − 67-s + 69-s − 71-s + 73-s − 79-s + 81-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 280 ^{s/2} \, \Gamma_{\R}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 280 ^{s/2} \, \Gamma_{\R}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(1\)
Conductor: \(280\)    =    \(2^{3} \cdot 5 \cdot 7\)
Sign: $1$
Analytic conductor: \(1.30031\)
Root analytic conductor: \(1.30031\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: $\chi_{280} (139, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((1,\ 280,\ (0:\ ),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(1.800883113\)
\(L(\frac12)\) \(\approx\) \(1.800883113\)
\(L(1)\) \(\approx\) \(1.486528806\)
\(L(1)\) \(\approx\) \(1.486528806\)

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 \)
7 \( 1 \)
good3 \( 1 + T \)
11 \( 1 + T \)
13 \( 1 - T \)
17 \( 1 + T \)
19 \( 1 - T \)
23 \( 1 + T \)
29 \( 1 - T \)
31 \( 1 + T \)
37 \( 1 + T \)
41 \( 1 - T \)
43 \( 1 - T \)
47 \( 1 - T \)
53 \( 1 + T \)
59 \( 1 - T \)
61 \( 1 + T \)
67 \( 1 - T \)
71 \( 1 - T \)
73 \( 1 + T \)
79 \( 1 - T \)
83 \( 1 + T \)
89 \( 1 - T \)
97 \( 1 + T \)
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   \(L(s) = \displaystyle\prod_p \ (1 - \alpha_{p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−25.43516320010697102271833828648, −24.93996550181417715382418421401, −24.01594057573158263298849860487, −22.8987792524134657539146383856, −21.795266510692869098169201177216, −21.085251664604803758793852989412, −20.04378853339942956201837048036, −19.32210955615113433986353993220, −18.62360318272331579959194053137, −17.21961794215015108163019293942, −16.50929970985619618057322434766, −14.90752734810907273966102792006, −14.82181566500290541463541840892, −13.59023798348914133920482719044, −12.65197059597322821282512913920, −11.660991001209588227444650229069, −10.22598963219128912389025130927, −9.436556029811699634783467907818, −8.48376317055071607937249620412, −7.45909259806219887737663429772, −6.49885154025400085935019767082, −4.91342919831697486359069873108, −3.81693581579519539571082478071, −2.72772497869955935520579426490, −1.46809557272934852731422834119, 1.46809557272934852731422834119, 2.72772497869955935520579426490, 3.81693581579519539571082478071, 4.91342919831697486359069873108, 6.49885154025400085935019767082, 7.45909259806219887737663429772, 8.48376317055071607937249620412, 9.436556029811699634783467907818, 10.22598963219128912389025130927, 11.660991001209588227444650229069, 12.65197059597322821282512913920, 13.59023798348914133920482719044, 14.82181566500290541463541840892, 14.90752734810907273966102792006, 16.50929970985619618057322434766, 17.21961794215015108163019293942, 18.62360318272331579959194053137, 19.32210955615113433986353993220, 20.04378853339942956201837048036, 21.085251664604803758793852989412, 21.795266510692869098169201177216, 22.8987792524134657539146383856, 24.01594057573158263298849860487, 24.93996550181417715382418421401, 25.43516320010697102271833828648

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