Properties

Label 2-20280-1.1-c1-0-27
Degree $2$
Conductor $20280$
Sign $-1$
Analytic cond. $161.936$
Root an. cond. $12.7254$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3-s + 5-s + 7-s + 9-s − 11-s − 15-s + 19-s − 21-s + 4·23-s + 25-s − 27-s + 4·29-s + 2·31-s + 33-s + 35-s − 37-s − 6·41-s − 10·43-s + 45-s + 7·47-s − 6·49-s + 53-s − 55-s − 57-s − 4·59-s − 14·61-s + 63-s + ⋯
L(s)  = 1  − 0.577·3-s + 0.447·5-s + 0.377·7-s + 1/3·9-s − 0.301·11-s − 0.258·15-s + 0.229·19-s − 0.218·21-s + 0.834·23-s + 1/5·25-s − 0.192·27-s + 0.742·29-s + 0.359·31-s + 0.174·33-s + 0.169·35-s − 0.164·37-s − 0.937·41-s − 1.52·43-s + 0.149·45-s + 1.02·47-s − 6/7·49-s + 0.137·53-s − 0.134·55-s − 0.132·57-s − 0.520·59-s − 1.79·61-s + 0.125·63-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 20280 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 20280 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(20280\)    =    \(2^{3} \cdot 3 \cdot 5 \cdot 13^{2}\)
Sign: $-1$
Analytic conductor: \(161.936\)
Root analytic conductor: \(12.7254\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 20280,\ (\ :1/2),\ -1)\)

Particular Values

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

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$Isogeny Class over $\mathbf{F}_p$
bad2 \( 1 \)
3 \( 1 + T \)
5 \( 1 - T \)
13 \( 1 \)
good7 \( 1 - T + p T^{2} \) 1.7.ab
11 \( 1 + T + p T^{2} \) 1.11.b
17 \( 1 + p T^{2} \) 1.17.a
19 \( 1 - T + p T^{2} \) 1.19.ab
23 \( 1 - 4 T + p T^{2} \) 1.23.ae
29 \( 1 - 4 T + p T^{2} \) 1.29.ae
31 \( 1 - 2 T + p T^{2} \) 1.31.ac
37 \( 1 + T + p T^{2} \) 1.37.b
41 \( 1 + 6 T + p T^{2} \) 1.41.g
43 \( 1 + 10 T + p T^{2} \) 1.43.k
47 \( 1 - 7 T + p T^{2} \) 1.47.ah
53 \( 1 - T + p T^{2} \) 1.53.ab
59 \( 1 + 4 T + p T^{2} \) 1.59.e
61 \( 1 + 14 T + p T^{2} \) 1.61.o
67 \( 1 + 8 T + p T^{2} \) 1.67.i
71 \( 1 + 2 T + p T^{2} \) 1.71.c
73 \( 1 + 8 T + p T^{2} \) 1.73.i
79 \( 1 + 10 T + p T^{2} \) 1.79.k
83 \( 1 + p T^{2} \) 1.83.a
89 \( 1 - 3 T + p T^{2} \) 1.89.ad
97 \( 1 - 8 T + p T^{2} \) 1.97.ai
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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

−15.84074722089237, −15.46042437549782, −14.85227520784897, −14.28873421366320, −13.62049041680857, −13.25943599480712, −12.64501808325318, −11.91857609265703, −11.66122007170464, −10.88120845083801, −10.38176974108907, −10.00774116844818, −9.182343515894495, −8.704670493825034, −7.992269228310207, −7.354115815822594, −6.739209105359116, −6.146238723052795, −5.525476409562016, −4.836974243688281, −4.519411049519499, −3.388318191400184, −2.805253635783694, −1.793744602093880, −1.156468665109177, 0, 1.156468665109177, 1.793744602093880, 2.805253635783694, 3.388318191400184, 4.519411049519499, 4.836974243688281, 5.525476409562016, 6.146238723052795, 6.739209105359116, 7.354115815822594, 7.992269228310207, 8.704670493825034, 9.182343515894495, 10.00774116844818, 10.38176974108907, 10.88120845083801, 11.66122007170464, 11.91857609265703, 12.64501808325318, 13.25943599480712, 13.62049041680857, 14.28873421366320, 14.85227520784897, 15.46042437549782, 15.84074722089237

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