Properties

Label 2-2e4-4.3-c14-0-4
Degree $2$
Conductor $16$
Sign $1$
Analytic cond. $19.8926$
Root an. cond. $4.46011$
Motivic weight $14$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2.79e3i·3-s + 1.07e5·5-s − 1.45e6i·7-s − 3.03e6·9-s − 2.07e7i·11-s + 5.92e7·13-s + 3.01e8i·15-s − 4.48e7·17-s − 8.57e8i·19-s + 4.08e9·21-s − 1.37e9i·23-s + 5.52e9·25-s + 4.87e9i·27-s + 3.05e10·29-s + 3.46e10i·31-s + ⋯
L(s)  = 1  + 1.27i·3-s + 1.38·5-s − 1.77i·7-s − 0.635·9-s − 1.06i·11-s + 0.944·13-s + 1.76i·15-s − 0.109·17-s − 0.959i·19-s + 2.26·21-s − 0.402i·23-s + 0.905·25-s + 0.466i·27-s + 1.76·29-s + 1.26i·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 16 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \overline{\Lambda}(15-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 16 ^{s/2} \, \Gamma_{\C}(s+7) \, L(s)\cr =\mathstrut & \, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(16\)    =    \(2^{4}\)
Sign: $1$
Analytic conductor: \(19.8926\)
Root analytic conductor: \(4.46011\)
Motivic weight: \(14\)
Rational: no
Arithmetic: yes
Character: $\chi_{16} (15, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 16,\ (\ :7),\ 1)\)

Particular Values

\(L(\frac{15}{2})\) \(\approx\) \(2.48669\)
\(L(\frac12)\) \(\approx\) \(2.48669\)
\(L(8)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
good3 \( 1 - 2.79e3iT - 4.78e6T^{2} \)
5 \( 1 - 1.07e5T + 6.10e9T^{2} \)
7 \( 1 + 1.45e6iT - 6.78e11T^{2} \)
11 \( 1 + 2.07e7iT - 3.79e14T^{2} \)
13 \( 1 - 5.92e7T + 3.93e15T^{2} \)
17 \( 1 + 4.48e7T + 1.68e17T^{2} \)
19 \( 1 + 8.57e8iT - 7.99e17T^{2} \)
23 \( 1 + 1.37e9iT - 1.15e19T^{2} \)
29 \( 1 - 3.05e10T + 2.97e20T^{2} \)
31 \( 1 - 3.46e10iT - 7.56e20T^{2} \)
37 \( 1 + 1.25e11T + 9.01e21T^{2} \)
41 \( 1 + 4.14e10T + 3.79e22T^{2} \)
43 \( 1 - 1.00e11iT - 7.38e22T^{2} \)
47 \( 1 - 4.42e9iT - 2.56e23T^{2} \)
53 \( 1 - 4.73e11T + 1.37e24T^{2} \)
59 \( 1 - 3.16e12iT - 6.19e24T^{2} \)
61 \( 1 + 5.85e10T + 9.87e24T^{2} \)
67 \( 1 + 4.17e12iT - 3.67e25T^{2} \)
71 \( 1 + 1.56e13iT - 8.27e25T^{2} \)
73 \( 1 - 1.46e13T + 1.22e26T^{2} \)
79 \( 1 - 8.37e12iT - 3.68e26T^{2} \)
83 \( 1 + 2.46e13iT - 7.36e26T^{2} \)
89 \( 1 - 3.58e12T + 1.95e27T^{2} \)
97 \( 1 - 6.51e13T + 6.52e27T^{2} \)
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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

−15.92163319199249814649902996344, −14.05635576943637861723533342956, −13.50530981485950887714662155355, −10.76743293064391824892197105426, −10.28298471431699190060176507117, −8.860837924954879344064903426070, −6.52727457433197210817288100159, −4.83610788376593993730034581490, −3.39969698437429782264561574663, −1.01116116653815490583030109822, 1.58261540363514476121516155053, 2.33982814864191627718871810810, 5.57922377786305722307423218722, 6.53256606930846835819564950845, 8.423837012272146087866772988024, 9.809904113805586099616649339723, 11.99911416829980436921331354013, 12.86967146733674543722078485816, 14.02853446449504548523313315972, 15.53508638071805642537672524827

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