Properties

Label 2-7728-1.1-c1-0-72
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 $0$

Origins

Related objects

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  + 3-s + 4.41·5-s − 7-s + 9-s + 1.67·11-s − 4.66·13-s + 4.41·15-s + 6.24·17-s + 0.694·19-s − 21-s + 23-s + 14.4·25-s + 27-s + 5.60·29-s − 4.24·31-s + 1.67·33-s − 4.41·35-s + 9.26·37-s − 4.66·39-s − 5.15·41-s − 4.20·43-s + 4.41·45-s + 1.92·47-s + 49-s + 6.24·51-s − 1.84·53-s + 7.39·55-s + ⋯
L(s)  = 1  + 0.577·3-s + 1.97·5-s − 0.377·7-s + 0.333·9-s + 0.505·11-s − 1.29·13-s + 1.14·15-s + 1.51·17-s + 0.159·19-s − 0.218·21-s + 0.208·23-s + 2.89·25-s + 0.192·27-s + 1.03·29-s − 0.763·31-s + 0.291·33-s − 0.746·35-s + 1.52·37-s − 0.747·39-s − 0.805·41-s − 0.641·43-s + 0.658·45-s + 0.280·47-s + 0.142·49-s + 0.875·51-s − 0.252·53-s + 0.997·55-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: \(0\)
Selberg data: \((2,\ 7728,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(4.098831192\)
\(L(\frac12)\) \(\approx\) \(4.098831192\)
\(L(\frac{3}{2})\) 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 \( 1 - 4.41T + 5T^{2} \)
11 \( 1 - 1.67T + 11T^{2} \)
13 \( 1 + 4.66T + 13T^{2} \)
17 \( 1 - 6.24T + 17T^{2} \)
19 \( 1 - 0.694T + 19T^{2} \)
29 \( 1 - 5.60T + 29T^{2} \)
31 \( 1 + 4.24T + 31T^{2} \)
37 \( 1 - 9.26T + 37T^{2} \)
41 \( 1 + 5.15T + 41T^{2} \)
43 \( 1 + 4.20T + 43T^{2} \)
47 \( 1 - 1.92T + 47T^{2} \)
53 \( 1 + 1.84T + 53T^{2} \)
59 \( 1 + 9.39T + 59T^{2} \)
61 \( 1 - 7.72T + 61T^{2} \)
67 \( 1 - 8.22T + 67T^{2} \)
71 \( 1 - 10.6T + 71T^{2} \)
73 \( 1 + 11.9T + 73T^{2} \)
79 \( 1 + 0.581T + 79T^{2} \)
83 \( 1 + 6.95T + 83T^{2} \)
89 \( 1 + 13.4T + 89T^{2} \)
97 \( 1 - 10.0T + 97T^{2} \)
show more
show less
   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−7.88537866236376362427499295290, −7.00670996341514390530284143839, −6.55867533639454494011630912821, −5.68293154991321636868551624141, −5.25671111263647621753952227508, −4.39351093953093536585607861061, −3.18050328037875543113774941949, −2.70009586894463871053497662549, −1.85614530091720609714460312718, −1.04720123295918110502710195734, 1.04720123295918110502710195734, 1.85614530091720609714460312718, 2.70009586894463871053497662549, 3.18050328037875543113774941949, 4.39351093953093536585607861061, 5.25671111263647621753952227508, 5.68293154991321636868551624141, 6.55867533639454494011630912821, 7.00670996341514390530284143839, 7.88537866236376362427499295290

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