Properties

Label 1-280-280.27-r1-0-0
Degree $1$
Conductor $280$
Sign $0.850 + 0.525i$
Analytic cond. $30.0901$
Root an. cond. $30.0901$
Motivic weight $0$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + i·3-s − 9-s + 11-s i·13-s i·17-s + 19-s + i·23-s i·27-s + 29-s + 31-s + i·33-s i·37-s + 39-s − 41-s i·43-s + ⋯
L(s)  = 1  + i·3-s − 9-s + 11-s i·13-s i·17-s + 19-s + i·23-s i·27-s + 29-s + 31-s + i·33-s i·37-s + 39-s − 41-s i·43-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 280 ^{s/2} \, \Gamma_{\R}(s+1) \, L(s)\cr =\mathstrut & (0.850 + 0.525i)\, \overline{\Lambda}(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 280 ^{s/2} \, \Gamma_{\R}(s+1) \, L(s)\cr =\mathstrut & (0.850 + 0.525i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(1\)
Conductor: \(280\)    =    \(2^{3} \cdot 5 \cdot 7\)
Sign: $0.850 + 0.525i$
Analytic conductor: \(30.0901\)
Root analytic conductor: \(30.0901\)
Motivic weight: \(0\)
Rational: no
Arithmetic: yes
Character: $\chi_{280} (27, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((1,\ 280,\ (1:\ ),\ 0.850 + 0.525i)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(1.934154282 + 0.5494526991i\)
\(L(\frac12)\) \(\approx\) \(1.934154282 + 0.5494526991i\)
\(L(1)\) \(\approx\) \(1.155645983 + 0.2728110099i\)
\(L(1)\) \(\approx\) \(1.155645983 + 0.2728110099i\)

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 \( 1 \)
13 \( 1 \)
17 \( 1 \)
19 \( 1 \)
23 \( 1 \)
29 \( 1 - T \)
31 \( 1 \)
37 \( 1 + T \)
41 \( 1 \)
43 \( 1 - iT \)
47 \( 1 \)
53 \( 1 \)
59 \( 1 \)
61 \( 1 - iT \)
67 \( 1 \)
71 \( 1 + T \)
73 \( 1 \)
79 \( 1 \)
83 \( 1 \)
89 \( 1 + iT \)
97 \( 1 \)
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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

−25.13400552669562073866701795883, −24.40707173051186116051909832375, −23.68027601455735690779991715054, −22.67956717282325962712250125695, −21.845232174939884646477734304995, −20.62170320555495611829387812975, −19.6114985308904206884142394917, −19.02966820330244711799835422362, −18.02442600901318977704991291824, −17.1340318611367464043870308109, −16.3398073705486419295453291419, −14.85053490926988280985022945947, −14.08825605204932107298335967021, −13.233854056077717673478585966229, −12.03217215079330589271815122418, −11.60802453979509647449252299604, −10.163249858519506700815874100577, −8.90093614883574278590170642302, −8.09905496985459624398258368570, −6.76544203306655477957835358138, −6.301873112321556336602027458599, −4.77685234916196291293364539590, −3.40421019924881953641296943571, −2.01119611640031755632030253667, −0.95569305997409724696479945271, 0.85078110766109696022108555889, 2.79270414583279243473136719958, 3.74089204685326030688819066473, 4.933919164296949052242288548893, 5.82916618955331821622567162857, 7.21485375698677417549998274613, 8.47386857961626936015738858543, 9.46275281374642124718159270262, 10.191899154795777553507665679621, 11.37601962583367210249377869410, 12.08203600813524035828673293524, 13.632236819265135161397759709871, 14.371929771375713067488348454332, 15.49014013685939208809523704351, 16.05907058672447984033824855419, 17.22026107911893479535551203811, 17.88075367454636524601180533128, 19.339242026262611498905598011045, 20.16380591027998232146705775090, 20.87191050301354501587310925933, 22.02000263463835300610196498473, 22.52405383697051905999657273905, 23.44433589961662483199081283875, 24.918511881410669399775988143910, 25.32259365909469065874465892642

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