Properties

Label 1-240-240.77-r0-0-0
Degree $1$
Conductor $240$
Sign $0.811 - 0.584i$
Analytic cond. $1.11455$
Root an. cond. $1.11455$
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·7-s + i·11-s + 13-s i·17-s i·19-s i·23-s + i·29-s + 31-s + 37-s + 41-s − 43-s i·47-s − 49-s + 53-s i·59-s + ⋯
L(s)  = 1  i·7-s + i·11-s + 13-s i·17-s i·19-s i·23-s + i·29-s + 31-s + 37-s + 41-s − 43-s i·47-s − 49-s + 53-s i·59-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 240 ^{s/2} \, \Gamma_{\R}(s) \, L(s)\cr =\mathstrut & (0.811 - 0.584i)\, \overline{\Lambda}(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 240 ^{s/2} \, \Gamma_{\R}(s) \, L(s)\cr =\mathstrut & (0.811 - 0.584i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(1\)
Conductor: \(240\)    =    \(2^{4} \cdot 3 \cdot 5\)
Sign: $0.811 - 0.584i$
Analytic conductor: \(1.11455\)
Root analytic conductor: \(1.11455\)
Motivic weight: \(0\)
Rational: no
Arithmetic: yes
Character: $\chi_{240} (77, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((1,\ 240,\ (0:\ ),\ 0.811 - 0.584i)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(1.165301054 - 0.3761857562i\)
\(L(\frac12)\) \(\approx\) \(1.165301054 - 0.3761857562i\)
\(L(1)\) \(\approx\) \(1.086321679 - 0.1565124024i\)
\(L(1)\) \(\approx\) \(1.086321679 - 0.1565124024i\)

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 \)
5 \( 1 \)
good7 \( 1 \)
11 \( 1 \)
13 \( 1 \)
17 \( 1 \)
19 \( 1 - iT \)
23 \( 1 \)
29 \( 1 \)
31 \( 1 \)
37 \( 1 + iT \)
41 \( 1 \)
43 \( 1 + T \)
47 \( 1 \)
53 \( 1 \)
59 \( 1 \)
61 \( 1 - iT \)
67 \( 1 \)
71 \( 1 - iT \)
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

−26.220382064257015913646353528744, −25.313637484579677270347951111276, −24.526581113623232116180490936004, −23.54215828469549828087022308010, −22.58986240660801866234101722540, −21.44438911889570355351838575040, −21.079858867356359854388926732296, −19.57085941084321155950921032861, −18.84817041287311207474443933991, −18.01884641814183110831082291452, −16.83498273831770704114383783394, −15.865803803193787555818179400022, −15.066346111013513985098982145142, −13.90182808491216382292626928898, −12.97062855840641409999074205099, −11.84718801549491243705507678741, −11.02484286307279456674151060180, −9.78627046137616971993549843509, −8.62947243043469988804899110435, −7.96451688598810200717962301684, −6.15716002377605250846110977318, −5.7506082120748285042007523227, −4.07633315396502243284125313163, −2.9459470046296532838002711612, −1.47754921937299700719787944741, 1.03022770119630283725345199408, 2.65563838318113078372092398857, 4.06293875711406236777354909626, 4.96850547342363034422630019954, 6.56807993653776378044060312572, 7.29999129135756840778744168824, 8.55242984379699403586801252901, 9.71700436738572592892992104016, 10.665051338305563479219745251070, 11.62602451410469203866110896726, 12.899631153879954212038234924469, 13.68482146335122702141021886387, 14.69730784605379660708218876964, 15.820708112109810431818334890982, 16.68386166430663181383142419552, 17.75082144197663660264814580141, 18.46874773542171334604233715100, 19.902179355592794346962388199556, 20.36025248887901328061742285571, 21.36671649485440195641028379322, 22.701055806746891399357852491830, 23.18393632008777854287205736141, 24.1925833329323869664526877964, 25.284798755151197244201041203662, 26.116990129171269696674054284484

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