Properties

Label 2-7728-1.1-c1-0-117
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 − 2.23·11-s − 2.38·13-s − 0.618·15-s + 6.70·17-s + 3.47·19-s + 21-s + 23-s − 4.61·25-s + 27-s − 8.23·29-s − 6.70·31-s − 2.23·33-s − 0.618·35-s − 11·37-s − 2.38·39-s − 1.47·41-s + 1.61·43-s − 0.618·45-s + 7.23·47-s + 49-s + 6.70·51-s − 13.0·53-s + 1.38·55-s + ⋯
L(s)  = 1  + 0.577·3-s − 0.276·5-s + 0.377·7-s + 0.333·9-s − 0.674·11-s − 0.660·13-s − 0.159·15-s + 1.62·17-s + 0.796·19-s + 0.218·21-s + 0.208·23-s − 0.923·25-s + 0.192·27-s − 1.52·29-s − 1.20·31-s − 0.389·33-s − 0.104·35-s − 1.80·37-s − 0.381·39-s − 0.229·41-s + 0.246·43-s − 0.0921·45-s + 1.05·47-s + 0.142·49-s + 0.939·51-s − 1.79·53-s + 0.186·55-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: $\chi_{7728} (1, \cdot )$
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 \( 1 + 2.23T + 11T^{2} \)
13 \( 1 + 2.38T + 13T^{2} \)
17 \( 1 - 6.70T + 17T^{2} \)
19 \( 1 - 3.47T + 19T^{2} \)
29 \( 1 + 8.23T + 29T^{2} \)
31 \( 1 + 6.70T + 31T^{2} \)
37 \( 1 + 11T + 37T^{2} \)
41 \( 1 + 1.47T + 41T^{2} \)
43 \( 1 - 1.61T + 43T^{2} \)
47 \( 1 - 7.23T + 47T^{2} \)
53 \( 1 + 13.0T + 53T^{2} \)
59 \( 1 + 9.38T + 59T^{2} \)
61 \( 1 + 4.85T + 61T^{2} \)
67 \( 1 - 5.09T + 67T^{2} \)
71 \( 1 + 4.38T + 71T^{2} \)
73 \( 1 + 12.7T + 73T^{2} \)
79 \( 1 - 9.47T + 79T^{2} \)
83 \( 1 - 9.18T + 83T^{2} \)
89 \( 1 - 11.6T + 89T^{2} \)
97 \( 1 - 10.4T + 97T^{2} \)
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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

−7.68813952936317797193188727882, −7.22325034740626506864746270079, −5.98853239954013305748434649626, −5.33461640311243278041538552483, −4.79862542729751992382232222643, −3.61083227672594259200323577511, −3.32947817317848907269650949570, −2.21428253813240829996975073078, −1.43526781970368412770385030881, 0, 1.43526781970368412770385030881, 2.21428253813240829996975073078, 3.32947817317848907269650949570, 3.61083227672594259200323577511, 4.79862542729751992382232222643, 5.33461640311243278041538552483, 5.98853239954013305748434649626, 7.22325034740626506864746270079, 7.68813952936317797193188727882

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