Properties

Label 2-448-28.27-c5-0-8
Degree $2$
Conductor $448$
Sign $-0.609 - 0.793i$
Analytic cond. $71.8519$
Root an. cond. $8.47655$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 15.7·3-s − 70.8i·5-s + (78.9 + 102. i)7-s + 5.62·9-s + 279. i·11-s + 763. i·13-s − 1.11e3i·15-s + 1.07e3i·17-s − 2.18e3·19-s + (1.24e3 + 1.62e3i)21-s − 2.26e3i·23-s − 1.89e3·25-s − 3.74e3·27-s − 463.·29-s − 6.23e3·31-s + ⋯
L(s)  = 1  + 1.01·3-s − 1.26i·5-s + (0.609 + 0.793i)7-s + 0.0231·9-s + 0.695i·11-s + 1.25i·13-s − 1.28i·15-s + 0.902i·17-s − 1.39·19-s + (0.616 + 0.802i)21-s − 0.892i·23-s − 0.605·25-s − 0.988·27-s − 0.102·29-s − 1.16·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 448 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.609 - 0.793i)\, \overline{\Lambda}(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 448 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & (-0.609 - 0.793i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(448\)    =    \(2^{6} \cdot 7\)
Sign: $-0.609 - 0.793i$
Analytic conductor: \(71.8519\)
Root analytic conductor: \(8.47655\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: $\chi_{448} (447, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 448,\ (\ :5/2),\ -0.609 - 0.793i)\)

Particular Values

\(L(3)\) \(\approx\) \(1.253618437\)
\(L(\frac12)\) \(\approx\) \(1.253618437\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
7 \( 1 + (-78.9 - 102. i)T \)
good3 \( 1 - 15.7T + 243T^{2} \)
5 \( 1 + 70.8iT - 3.12e3T^{2} \)
11 \( 1 - 279. iT - 1.61e5T^{2} \)
13 \( 1 - 763. iT - 3.71e5T^{2} \)
17 \( 1 - 1.07e3iT - 1.41e6T^{2} \)
19 \( 1 + 2.18e3T + 2.47e6T^{2} \)
23 \( 1 + 2.26e3iT - 6.43e6T^{2} \)
29 \( 1 + 463.T + 2.05e7T^{2} \)
31 \( 1 + 6.23e3T + 2.86e7T^{2} \)
37 \( 1 + 1.36e4T + 6.93e7T^{2} \)
41 \( 1 + 5.83e3iT - 1.15e8T^{2} \)
43 \( 1 + 6.78e3iT - 1.47e8T^{2} \)
47 \( 1 + 9.96e3T + 2.29e8T^{2} \)
53 \( 1 - 7.09e3T + 4.18e8T^{2} \)
59 \( 1 + 6.34e3T + 7.14e8T^{2} \)
61 \( 1 - 3.90e4iT - 8.44e8T^{2} \)
67 \( 1 - 5.88e4iT - 1.35e9T^{2} \)
71 \( 1 - 4.90e4iT - 1.80e9T^{2} \)
73 \( 1 + 1.66e4iT - 2.07e9T^{2} \)
79 \( 1 + 4.89e4iT - 3.07e9T^{2} \)
83 \( 1 - 4.40e4T + 3.93e9T^{2} \)
89 \( 1 - 8.71e4iT - 5.58e9T^{2} \)
97 \( 1 + 7.41e4iT - 8.58e9T^{2} \)
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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

−10.50963652307037490868368042860, −9.260839701319141767823872830298, −8.650275738852112869545969305035, −8.428120380467219178308380503087, −7.08692431498629259979913088112, −5.77835433795942804062369231416, −4.70562273020161475395086648371, −3.91899216453805613293675456945, −2.21092670473250159613952859910, −1.69806341699913998415527866011, 0.22450220753325397258577134573, 1.93402874123433869940155567008, 3.10103826237411016959402829067, 3.60385085675287184323728106515, 5.16404454960840556195743170280, 6.40749419514114773355703919686, 7.44975028295280952753532566396, 8.013857397228557979441172792850, 8.957999105476232232296187367487, 10.09224668426076938143553057197

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