Properties

Label 2-13-1.1-c5-0-4
Degree $2$
Conductor $13$
Sign $-1$
Analytic cond. $2.08498$
Root an. cond. $1.44394$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 0.438·2-s − 26.3·3-s − 31.8·4-s + 61.4·5-s + 11.5·6-s − 162.·7-s + 27.9·8-s + 452.·9-s − 26.9·10-s − 361.·11-s + 838.·12-s − 169·13-s + 71.1·14-s − 1.62e3·15-s + 1.00e3·16-s − 1.57e3·17-s − 198.·18-s − 98.2·19-s − 1.95e3·20-s + 4.27e3·21-s + 158.·22-s + 1.60e3·23-s − 737.·24-s + 652.·25-s + 74.0·26-s − 5.52e3·27-s + 5.16e3·28-s + ⋯
L(s)  = 1  − 0.0775·2-s − 1.69·3-s − 0.993·4-s + 1.09·5-s + 0.131·6-s − 1.25·7-s + 0.154·8-s + 1.86·9-s − 0.0852·10-s − 0.899·11-s + 1.68·12-s − 0.277·13-s + 0.0970·14-s − 1.85·15-s + 0.982·16-s − 1.32·17-s − 0.144·18-s − 0.0624·19-s − 1.09·20-s + 2.11·21-s + 0.0697·22-s + 0.633·23-s − 0.261·24-s + 0.208·25-s + 0.0214·26-s − 1.45·27-s + 1.24·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 13 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 13 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(13\)
Sign: $-1$
Analytic conductor: \(2.08498\)
Root analytic conductor: \(1.44394\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 13,\ (\ :5/2),\ -1)\)

Particular Values

\(L(3)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad13 \( 1 + 169T \)
good2 \( 1 + 0.438T + 32T^{2} \)
3 \( 1 + 26.3T + 243T^{2} \)
5 \( 1 - 61.4T + 3.12e3T^{2} \)
7 \( 1 + 162.T + 1.68e4T^{2} \)
11 \( 1 + 361.T + 1.61e5T^{2} \)
17 \( 1 + 1.57e3T + 1.41e6T^{2} \)
19 \( 1 + 98.2T + 2.47e6T^{2} \)
23 \( 1 - 1.60e3T + 6.43e6T^{2} \)
29 \( 1 + 307.T + 2.05e7T^{2} \)
31 \( 1 - 2.93e3T + 2.86e7T^{2} \)
37 \( 1 + 1.22e4T + 6.93e7T^{2} \)
41 \( 1 + 104.T + 1.15e8T^{2} \)
43 \( 1 - 1.09e4T + 1.47e8T^{2} \)
47 \( 1 + 1.49e4T + 2.29e8T^{2} \)
53 \( 1 + 3.59e4T + 4.18e8T^{2} \)
59 \( 1 + 1.59e3T + 7.14e8T^{2} \)
61 \( 1 - 2.01e4T + 8.44e8T^{2} \)
67 \( 1 + 3.53e4T + 1.35e9T^{2} \)
71 \( 1 - 2.61e4T + 1.80e9T^{2} \)
73 \( 1 - 7.54e4T + 2.07e9T^{2} \)
79 \( 1 + 7.57e3T + 3.07e9T^{2} \)
83 \( 1 + 912.T + 3.93e9T^{2} \)
89 \( 1 - 1.06e5T + 5.58e9T^{2} \)
97 \( 1 - 1.03e5T + 8.58e9T^{2} \)
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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

−17.82840275201267415546276683894, −17.22059136774406444762166152433, −15.88826246171006326113000711110, −13.44174653581734276256283858885, −12.65322547324310671515351252260, −10.58559667747287484577722066462, −9.523134886135161996617041862672, −6.42362539238542465342308265688, −5.09752034417133274464820502541, 0, 5.09752034417133274464820502541, 6.42362539238542465342308265688, 9.523134886135161996617041862672, 10.58559667747287484577722066462, 12.65322547324310671515351252260, 13.44174653581734276256283858885, 15.88826246171006326113000711110, 17.22059136774406444762166152433, 17.82840275201267415546276683894

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