Properties

Label 2-1280-1.1-c3-0-17
Degree $2$
Conductor $1280$
Sign $1$
Analytic cond. $75.5224$
Root an. cond. $8.69036$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3.16·3-s − 5·5-s − 10.1·7-s − 17·9-s + 21.9·11-s − 63.6·13-s − 15.8·15-s − 119.·17-s − 116.·19-s − 32.1·21-s + 206.·23-s + 25·25-s − 139.·27-s + 160.·29-s + 158.·31-s + 69.4·33-s + 50.7·35-s + 225.·37-s − 201.·39-s + 269.·41-s + 469.·43-s + 85·45-s − 21.4·47-s − 239.·49-s − 377.·51-s − 269.·53-s − 109.·55-s + ⋯
L(s)  = 1  + 0.608·3-s − 0.447·5-s − 0.548·7-s − 0.629·9-s + 0.601·11-s − 1.35·13-s − 0.272·15-s − 1.70·17-s − 1.41·19-s − 0.333·21-s + 1.87·23-s + 0.200·25-s − 0.991·27-s + 1.03·29-s + 0.916·31-s + 0.366·33-s + 0.245·35-s + 1.00·37-s − 0.826·39-s + 1.02·41-s + 1.66·43-s + 0.281·45-s − 0.0666·47-s − 0.699·49-s − 1.03·51-s − 0.699·53-s − 0.269·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1280 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1280 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1280\)    =    \(2^{8} \cdot 5\)
Sign: $1$
Analytic conductor: \(75.5224\)
Root analytic conductor: \(8.69036\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1280,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(1.470782610\)
\(L(\frac12)\) \(\approx\) \(1.470782610\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 + 5T \)
good3 \( 1 - 3.16T + 27T^{2} \)
7 \( 1 + 10.1T + 343T^{2} \)
11 \( 1 - 21.9T + 1.33e3T^{2} \)
13 \( 1 + 63.6T + 2.19e3T^{2} \)
17 \( 1 + 119.T + 4.91e3T^{2} \)
19 \( 1 + 116.T + 6.85e3T^{2} \)
23 \( 1 - 206.T + 1.21e4T^{2} \)
29 \( 1 - 160.T + 2.43e4T^{2} \)
31 \( 1 - 158.T + 2.97e4T^{2} \)
37 \( 1 - 225.T + 5.06e4T^{2} \)
41 \( 1 - 269.T + 6.89e4T^{2} \)
43 \( 1 - 469.T + 7.95e4T^{2} \)
47 \( 1 + 21.4T + 1.03e5T^{2} \)
53 \( 1 + 269.T + 1.48e5T^{2} \)
59 \( 1 - 556.T + 2.05e5T^{2} \)
61 \( 1 - 242.T + 2.26e5T^{2} \)
67 \( 1 + 769.T + 3.00e5T^{2} \)
71 \( 1 - 550.T + 3.57e5T^{2} \)
73 \( 1 + 136.T + 3.89e5T^{2} \)
79 \( 1 - 43.2T + 4.93e5T^{2} \)
83 \( 1 + 113.T + 5.71e5T^{2} \)
89 \( 1 + 172.T + 7.04e5T^{2} \)
97 \( 1 + 558.T + 9.12e5T^{2} \)
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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

−9.038569785460256845168530439333, −8.728629289604967914349267749550, −7.70826038959838318825339691723, −6.82132990740846692874699399455, −6.21251262333779085486483648497, −4.79141983230172780174929875854, −4.17722877227563074753298576554, −2.88047579252972107433521658025, −2.37372391857771756332400732776, −0.56358620997226360651167385550, 0.56358620997226360651167385550, 2.37372391857771756332400732776, 2.88047579252972107433521658025, 4.17722877227563074753298576554, 4.79141983230172780174929875854, 6.21251262333779085486483648497, 6.82132990740846692874699399455, 7.70826038959838318825339691723, 8.728629289604967914349267749550, 9.038569785460256845168530439333

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