Properties

Label 2-7728-1.1-c1-0-122
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 + 0.462·5-s + 7-s + 9-s + 0.398·11-s − 0.860·13-s + 0.462·15-s − 1.60·17-s − 6.11·19-s + 21-s − 23-s − 4.78·25-s + 27-s − 8.24·29-s + 1.32·31-s + 0.398·33-s + 0.462·35-s + 10.7·37-s − 0.860·39-s + 1.04·41-s + 2.86·43-s + 0.462·45-s − 2.27·47-s + 49-s − 1.60·51-s − 4.46·53-s + 0.184·55-s + ⋯
L(s)  = 1  + 0.577·3-s + 0.206·5-s + 0.377·7-s + 0.333·9-s + 0.120·11-s − 0.238·13-s + 0.119·15-s − 0.388·17-s − 1.40·19-s + 0.218·21-s − 0.208·23-s − 0.957·25-s + 0.192·27-s − 1.53·29-s + 0.237·31-s + 0.0693·33-s + 0.0781·35-s + 1.77·37-s − 0.137·39-s + 0.163·41-s + 0.436·43-s + 0.0689·45-s − 0.332·47-s + 0.142·49-s − 0.224·51-s − 0.612·53-s + 0.0248·55-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 \( 1 - 0.462T + 5T^{2} \)
11 \( 1 - 0.398T + 11T^{2} \)
13 \( 1 + 0.860T + 13T^{2} \)
17 \( 1 + 1.60T + 17T^{2} \)
19 \( 1 + 6.11T + 19T^{2} \)
29 \( 1 + 8.24T + 29T^{2} \)
31 \( 1 - 1.32T + 31T^{2} \)
37 \( 1 - 10.7T + 37T^{2} \)
41 \( 1 - 1.04T + 41T^{2} \)
43 \( 1 - 2.86T + 43T^{2} \)
47 \( 1 + 2.27T + 47T^{2} \)
53 \( 1 + 4.46T + 53T^{2} \)
59 \( 1 - 1.90T + 59T^{2} \)
61 \( 1 + 13.3T + 61T^{2} \)
67 \( 1 + 2.33T + 67T^{2} \)
71 \( 1 + 14.8T + 71T^{2} \)
73 \( 1 + 5.84T + 73T^{2} \)
79 \( 1 - 1.75T + 79T^{2} \)
83 \( 1 - 8.76T + 83T^{2} \)
89 \( 1 - 1.91T + 89T^{2} \)
97 \( 1 + 13.8T + 97T^{2} \)
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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

−7.81903717399780833114245721494, −6.84395454977280152928313257696, −6.14064774303998535772603750802, −5.50379329424009880217617469404, −4.34586912968767802836295442907, −4.17124867134059138436755191754, −2.99906996575158976123689015467, −2.21122049168949333093031203549, −1.52748723371001040326515311827, 0, 1.52748723371001040326515311827, 2.21122049168949333093031203549, 2.99906996575158976123689015467, 4.17124867134059138436755191754, 4.34586912968767802836295442907, 5.50379329424009880217617469404, 6.14064774303998535772603750802, 6.84395454977280152928313257696, 7.81903717399780833114245721494

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