Properties

Label 2-1380-1.1-c3-0-23
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 − 19.9·7-s + 9·9-s − 27.0·11-s + 47.3·13-s + 15·15-s − 73.0·17-s + 158.·19-s + 59.8·21-s − 23·23-s + 25·25-s − 27·27-s + 70.1·29-s − 12.6·31-s + 81.1·33-s + 99.8·35-s + 338.·37-s − 141.·39-s − 361.·41-s + 328.·43-s − 45·45-s + 251.·47-s + 55.4·49-s + 219.·51-s + 180.·53-s + 135.·55-s + ⋯
L(s)  = 1  − 0.577·3-s − 0.447·5-s − 1.07·7-s + 0.333·9-s − 0.741·11-s + 1.00·13-s + 0.258·15-s − 1.04·17-s + 1.90·19-s + 0.622·21-s − 0.208·23-s + 0.200·25-s − 0.192·27-s + 0.449·29-s − 0.0732·31-s + 0.428·33-s + 0.482·35-s + 1.50·37-s − 0.582·39-s − 1.37·41-s + 1.16·43-s − 0.149·45-s + 0.780·47-s + 0.161·49-s + 0.601·51-s + 0.468·53-s + 0.331·55-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 \( 1 + 19.9T + 343T^{2} \)
11 \( 1 + 27.0T + 1.33e3T^{2} \)
13 \( 1 - 47.3T + 2.19e3T^{2} \)
17 \( 1 + 73.0T + 4.91e3T^{2} \)
19 \( 1 - 158.T + 6.85e3T^{2} \)
29 \( 1 - 70.1T + 2.43e4T^{2} \)
31 \( 1 + 12.6T + 2.97e4T^{2} \)
37 \( 1 - 338.T + 5.06e4T^{2} \)
41 \( 1 + 361.T + 6.89e4T^{2} \)
43 \( 1 - 328.T + 7.95e4T^{2} \)
47 \( 1 - 251.T + 1.03e5T^{2} \)
53 \( 1 - 180.T + 1.48e5T^{2} \)
59 \( 1 - 206.T + 2.05e5T^{2} \)
61 \( 1 + 802.T + 2.26e5T^{2} \)
67 \( 1 - 266.T + 3.00e5T^{2} \)
71 \( 1 + 1.09e3T + 3.57e5T^{2} \)
73 \( 1 + 112.T + 3.89e5T^{2} \)
79 \( 1 - 174.T + 4.93e5T^{2} \)
83 \( 1 - 716.T + 5.71e5T^{2} \)
89 \( 1 - 94.5T + 7.04e5T^{2} \)
97 \( 1 + 1.11e3T + 9.12e5T^{2} \)
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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

−8.908560094265564639780458606309, −7.88461161030701786613253571169, −7.12750712730242106693671623326, −6.28400453506498676079288120723, −5.59380216319041188080643941651, −4.55599227057851867907257537204, −3.57402411004796810510130068070, −2.70162570055469628002491575244, −1.06884933768544897699140276657, 0, 1.06884933768544897699140276657, 2.70162570055469628002491575244, 3.57402411004796810510130068070, 4.55599227057851867907257537204, 5.59380216319041188080643941651, 6.28400453506498676079288120723, 7.12750712730242106693671623326, 7.88461161030701786613253571169, 8.908560094265564639780458606309

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