Properties

Label 2-7728-1.1-c1-0-96
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 + 0.618·5-s − 7-s + 9-s + 4.23·11-s − 0.381·13-s − 0.618·15-s − 4.23·17-s − 0.236·19-s + 21-s − 23-s − 4.61·25-s − 27-s − 0.236·29-s + 8.23·31-s − 4.23·33-s − 0.618·35-s − 8.70·37-s + 0.381·39-s + 4.70·41-s + 4.09·43-s + 0.618·45-s + 0.763·47-s + 49-s + 4.23·51-s − 4.61·53-s + 2.61·55-s + ⋯
L(s)  = 1  − 0.577·3-s + 0.276·5-s − 0.377·7-s + 0.333·9-s + 1.27·11-s − 0.105·13-s − 0.159·15-s − 1.02·17-s − 0.0541·19-s + 0.218·21-s − 0.208·23-s − 0.923·25-s − 0.192·27-s − 0.0438·29-s + 1.47·31-s − 0.737·33-s − 0.104·35-s − 1.43·37-s + 0.0611·39-s + 0.735·41-s + 0.623·43-s + 0.0921·45-s + 0.111·47-s + 0.142·49-s + 0.593·51-s − 0.634·53-s + 0.353·55-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 \( 1 - 0.618T + 5T^{2} \)
11 \( 1 - 4.23T + 11T^{2} \)
13 \( 1 + 0.381T + 13T^{2} \)
17 \( 1 + 4.23T + 17T^{2} \)
19 \( 1 + 0.236T + 19T^{2} \)
29 \( 1 + 0.236T + 29T^{2} \)
31 \( 1 - 8.23T + 31T^{2} \)
37 \( 1 + 8.70T + 37T^{2} \)
41 \( 1 - 4.70T + 41T^{2} \)
43 \( 1 - 4.09T + 43T^{2} \)
47 \( 1 - 0.763T + 47T^{2} \)
53 \( 1 + 4.61T + 53T^{2} \)
59 \( 1 + 7.56T + 59T^{2} \)
61 \( 1 + 3.14T + 61T^{2} \)
67 \( 1 - 0.145T + 67T^{2} \)
71 \( 1 + 5.61T + 71T^{2} \)
73 \( 1 + 7.47T + 73T^{2} \)
79 \( 1 - 7T + 79T^{2} \)
83 \( 1 + 5.94T + 83T^{2} \)
89 \( 1 + 15.0T + 89T^{2} \)
97 \( 1 - 5.94T + 97T^{2} \)
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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

−7.34630239274250066569856885926, −6.64716112913360909156894641723, −6.22592715125066693847856357878, −5.58163562303159966956209160662, −4.54742457145212628554808723583, −4.12627422298739473447635188753, −3.15584743339247270670052329856, −2.12101817543015349362584851419, −1.24319181032224879240721055125, 0, 1.24319181032224879240721055125, 2.12101817543015349362584851419, 3.15584743339247270670052329856, 4.12627422298739473447635188753, 4.54742457145212628554808723583, 5.58163562303159966956209160662, 6.22592715125066693847856357878, 6.64716112913360909156894641723, 7.34630239274250066569856885926

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