Properties

Label 2-1380-1.1-c3-0-39
Degree $2$
Conductor $1380$
Sign $-1$
Analytic cond. $81.4226$
Root an. cond. $9.02344$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3·3-s + 5·5-s − 9.69·7-s + 9·9-s − 19.6·11-s − 41.2·13-s + 15·15-s − 29.0·17-s + 140.·19-s − 29.0·21-s − 23·23-s + 25·25-s + 27·27-s + 54.8·29-s − 37.5·31-s − 59.0·33-s − 48.4·35-s − 184.·37-s − 123.·39-s + 509.·41-s − 478.·43-s + 45·45-s − 171.·47-s − 248.·49-s − 87.1·51-s − 374.·53-s − 98.4·55-s + ⋯
L(s)  = 1  + 0.577·3-s + 0.447·5-s − 0.523·7-s + 0.333·9-s − 0.539·11-s − 0.879·13-s + 0.258·15-s − 0.414·17-s + 1.69·19-s − 0.302·21-s − 0.208·23-s + 0.200·25-s + 0.192·27-s + 0.351·29-s − 0.217·31-s − 0.311·33-s − 0.234·35-s − 0.821·37-s − 0.507·39-s + 1.93·41-s − 1.69·43-s + 0.149·45-s − 0.532·47-s − 0.725·49-s − 0.239·51-s − 0.970·53-s − 0.241·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1380 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1380 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1380\)    =    \(2^{2} \cdot 3 \cdot 5 \cdot 23\)
Sign: $-1$
Analytic conductor: \(81.4226\)
Root analytic conductor: \(9.02344\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1380,\ (\ :3/2),\ -1)\)

Particular Values

\(L(2)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 - 3T \)
5 \( 1 - 5T \)
23 \( 1 + 23T \)
good7 \( 1 + 9.69T + 343T^{2} \)
11 \( 1 + 19.6T + 1.33e3T^{2} \)
13 \( 1 + 41.2T + 2.19e3T^{2} \)
17 \( 1 + 29.0T + 4.91e3T^{2} \)
19 \( 1 - 140.T + 6.85e3T^{2} \)
29 \( 1 - 54.8T + 2.43e4T^{2} \)
31 \( 1 + 37.5T + 2.97e4T^{2} \)
37 \( 1 + 184.T + 5.06e4T^{2} \)
41 \( 1 - 509.T + 6.89e4T^{2} \)
43 \( 1 + 478.T + 7.95e4T^{2} \)
47 \( 1 + 171.T + 1.03e5T^{2} \)
53 \( 1 + 374.T + 1.48e5T^{2} \)
59 \( 1 + 725.T + 2.05e5T^{2} \)
61 \( 1 - 118.T + 2.26e5T^{2} \)
67 \( 1 - 47.7T + 3.00e5T^{2} \)
71 \( 1 + 341.T + 3.57e5T^{2} \)
73 \( 1 + 814.T + 3.89e5T^{2} \)
79 \( 1 - 738.T + 4.93e5T^{2} \)
83 \( 1 + 693.T + 5.71e5T^{2} \)
89 \( 1 + 1.09e3T + 7.04e5T^{2} \)
97 \( 1 - 39.2T + 9.12e5T^{2} \)
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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

−8.950537740925223960675038008961, −7.922549667154615921612669757054, −7.29604583706322528761343637707, −6.40929518616401076769387393241, −5.39768783025361711822716963429, −4.61557512370807013849246498535, −3.31487678338623730839888935976, −2.66900940567095443731064340539, −1.50797511107547332303009451783, 0, 1.50797511107547332303009451783, 2.66900940567095443731064340539, 3.31487678338623730839888935976, 4.61557512370807013849246498535, 5.39768783025361711822716963429, 6.40929518616401076769387393241, 7.29604583706322528761343637707, 7.922549667154615921612669757054, 8.950537740925223960675038008961

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