Properties

Label 2-7728-1.1-c1-0-112
Degree $2$
Conductor $7728$
Sign $-1$
Analytic cond. $61.7083$
Root an. cond. $7.85546$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3-s + 2.68·5-s + 7-s + 9-s − 11-s − 1.22·13-s − 2.68·15-s − 1.90·17-s − 3·19-s − 21-s − 23-s + 2.22·25-s − 27-s + 6.35·29-s − 9.28·31-s + 33-s + 2.68·35-s + 11.7·37-s + 1.22·39-s − 10.1·41-s + 0.596·43-s + 2.68·45-s − 1.09·47-s + 49-s + 1.90·51-s + 0.222·53-s − 2.68·55-s + ⋯
L(s)  = 1  − 0.577·3-s + 1.20·5-s + 0.377·7-s + 0.333·9-s − 0.301·11-s − 0.338·13-s − 0.693·15-s − 0.463·17-s − 0.688·19-s − 0.218·21-s − 0.208·23-s + 0.444·25-s − 0.192·27-s + 1.17·29-s − 1.66·31-s + 0.174·33-s + 0.454·35-s + 1.92·37-s + 0.195·39-s − 1.59·41-s + 0.0910·43-s + 0.400·45-s − 0.159·47-s + 0.142·49-s + 0.267·51-s + 0.0305·53-s − 0.362·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 7728 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 7728 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(7728\)    =    \(2^{4} \cdot 3 \cdot 7 \cdot 23\)
Sign: $-1$
Analytic conductor: \(61.7083\)
Root analytic conductor: \(7.85546\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 7728,\ (\ :1/2),\ -1)\)

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)$
bad2 \( 1 \)
3 \( 1 + T \)
7 \( 1 - T \)
23 \( 1 + T \)
good5 \( 1 - 2.68T + 5T^{2} \)
11 \( 1 + T + 11T^{2} \)
13 \( 1 + 1.22T + 13T^{2} \)
17 \( 1 + 1.90T + 17T^{2} \)
19 \( 1 + 3T + 19T^{2} \)
29 \( 1 - 6.35T + 29T^{2} \)
31 \( 1 + 9.28T + 31T^{2} \)
37 \( 1 - 11.7T + 37T^{2} \)
41 \( 1 + 10.1T + 41T^{2} \)
43 \( 1 - 0.596T + 43T^{2} \)
47 \( 1 + 1.09T + 47T^{2} \)
53 \( 1 - 0.222T + 53T^{2} \)
59 \( 1 + 14.9T + 59T^{2} \)
61 \( 1 + 9.50T + 61T^{2} \)
67 \( 1 - 1.13T + 67T^{2} \)
71 \( 1 - 8.41T + 71T^{2} \)
73 \( 1 + 5.90T + 73T^{2} \)
79 \( 1 - 2.53T + 79T^{2} \)
83 \( 1 + 10.3T + 83T^{2} \)
89 \( 1 + 0.152T + 89T^{2} \)
97 \( 1 + 0.0904T + 97T^{2} \)
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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

−7.46905566974012503761258798398, −6.60206373954114960885062708617, −6.14540919978717380816333458381, −5.45549079665086327359828284985, −4.82523417665965566658898052876, −4.14966013840651964885259578583, −2.92780021564952044126255902865, −2.10826314352052641523974301604, −1.40433554560786431083630535551, 0, 1.40433554560786431083630535551, 2.10826314352052641523974301604, 2.92780021564952044126255902865, 4.14966013840651964885259578583, 4.82523417665965566658898052876, 5.45549079665086327359828284985, 6.14540919978717380816333458381, 6.60206373954114960885062708617, 7.46905566974012503761258798398

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