Properties

Label 2-17e2-1.1-c1-0-10
Degree $2$
Conductor $289$
Sign $1$
Analytic cond. $2.30767$
Root an. cond. $1.51910$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.53·2-s + 1.34·3-s + 0.347·4-s + 3.53·5-s + 2.06·6-s − 0.347·7-s − 2.53·8-s − 1.18·9-s + 5.41·10-s − 1.75·11-s + 0.467·12-s − 3.29·13-s − 0.532·14-s + 4.75·15-s − 4.57·16-s − 1.81·18-s + 1.53·19-s + 1.22·20-s − 0.467·21-s − 2.69·22-s + 2.81·23-s − 3.41·24-s + 7.47·25-s − 5.04·26-s − 5.63·27-s − 0.120·28-s − 1.18·29-s + ⋯
L(s)  = 1  + 1.08·2-s + 0.777·3-s + 0.173·4-s + 1.57·5-s + 0.842·6-s − 0.131·7-s − 0.895·8-s − 0.394·9-s + 1.71·10-s − 0.530·11-s + 0.135·12-s − 0.912·13-s − 0.142·14-s + 1.22·15-s − 1.14·16-s − 0.427·18-s + 0.351·19-s + 0.274·20-s − 0.102·21-s − 0.574·22-s + 0.587·23-s − 0.696·24-s + 1.49·25-s − 0.988·26-s − 1.08·27-s − 0.0227·28-s − 0.220·29-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 289 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 289 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(289\)    =    \(17^{2}\)
Sign: $1$
Analytic conductor: \(2.30767\)
Root analytic conductor: \(1.51910\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 289,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.715784905\)
\(L(\frac12)\) \(\approx\) \(2.715784905\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad17 \( 1 \)
good2 \( 1 - 1.53T + 2T^{2} \)
3 \( 1 - 1.34T + 3T^{2} \)
5 \( 1 - 3.53T + 5T^{2} \)
7 \( 1 + 0.347T + 7T^{2} \)
11 \( 1 + 1.75T + 11T^{2} \)
13 \( 1 + 3.29T + 13T^{2} \)
19 \( 1 - 1.53T + 19T^{2} \)
23 \( 1 - 2.81T + 23T^{2} \)
29 \( 1 + 1.18T + 29T^{2} \)
31 \( 1 - 7.10T + 31T^{2} \)
37 \( 1 + 3.92T + 37T^{2} \)
41 \( 1 - 4.92T + 41T^{2} \)
43 \( 1 - 10.9T + 43T^{2} \)
47 \( 1 + 5.12T + 47T^{2} \)
53 \( 1 + 8.36T + 53T^{2} \)
59 \( 1 + 10.8T + 59T^{2} \)
61 \( 1 + 4.41T + 61T^{2} \)
67 \( 1 - 8.07T + 67T^{2} \)
71 \( 1 - 11.2T + 71T^{2} \)
73 \( 1 - 1.70T + 73T^{2} \)
79 \( 1 - 11.5T + 79T^{2} \)
83 \( 1 + 2.14T + 83T^{2} \)
89 \( 1 - 6.41T + 89T^{2} \)
97 \( 1 - 4.08T + 97T^{2} \)
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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

−12.25062355585239086890345454046, −10.89324247861565494697078190826, −9.598095766565214398668241800015, −9.280991654328322591458734917650, −7.997572557449682599120900217150, −6.51550295346740496705565060157, −5.59970911349892280977732611846, −4.79330285029268887785925022116, −3.13062909427611800244818372476, −2.35117265347252672011920194772, 2.35117265347252672011920194772, 3.13062909427611800244818372476, 4.79330285029268887785925022116, 5.59970911349892280977732611846, 6.51550295346740496705565060157, 7.997572557449682599120900217150, 9.280991654328322591458734917650, 9.598095766565214398668241800015, 10.89324247861565494697078190826, 12.25062355585239086890345454046

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