Properties

Label 2-7728-1.1-c1-0-84
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 − 1.38·5-s − 7-s + 9-s + 5.47·11-s − 2.38·13-s + 1.38·15-s − 17-s + 3·19-s + 21-s + 23-s − 3.09·25-s − 27-s − 7.47·29-s + 3.76·31-s − 5.47·33-s + 1.38·35-s + 1.47·37-s + 2.38·39-s − 4.70·41-s − 8.09·43-s − 1.38·45-s − 1.70·47-s + 49-s + 51-s − 3.38·53-s − 7.56·55-s + ⋯
L(s)  = 1  − 0.577·3-s − 0.618·5-s − 0.377·7-s + 0.333·9-s + 1.64·11-s − 0.660·13-s + 0.356·15-s − 0.242·17-s + 0.688·19-s + 0.218·21-s + 0.208·23-s − 0.618·25-s − 0.192·27-s − 1.38·29-s + 0.676·31-s − 0.952·33-s + 0.233·35-s + 0.242·37-s + 0.381·39-s − 0.735·41-s − 1.23·43-s − 0.206·45-s − 0.249·47-s + 0.142·49-s + 0.140·51-s − 0.464·53-s − 1.01·55-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 \( 1 + 1.38T + 5T^{2} \)
11 \( 1 - 5.47T + 11T^{2} \)
13 \( 1 + 2.38T + 13T^{2} \)
17 \( 1 + T + 17T^{2} \)
19 \( 1 - 3T + 19T^{2} \)
29 \( 1 + 7.47T + 29T^{2} \)
31 \( 1 - 3.76T + 31T^{2} \)
37 \( 1 - 1.47T + 37T^{2} \)
41 \( 1 + 4.70T + 41T^{2} \)
43 \( 1 + 8.09T + 43T^{2} \)
47 \( 1 + 1.70T + 47T^{2} \)
53 \( 1 + 3.38T + 53T^{2} \)
59 \( 1 - 6.14T + 59T^{2} \)
61 \( 1 - 13.7T + 61T^{2} \)
67 \( 1 + 4.14T + 67T^{2} \)
71 \( 1 - 3.90T + 71T^{2} \)
73 \( 1 - 2.70T + 73T^{2} \)
79 \( 1 + 0.527T + 79T^{2} \)
83 \( 1 - 3T + 83T^{2} \)
89 \( 1 - 3.14T + 89T^{2} \)
97 \( 1 - 5T + 97T^{2} \)
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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

−7.33583996745382366769884987302, −6.83503088498859371027033549492, −6.24309040386397337219214827844, −5.41322544637923895601106400271, −4.67620866390625816571551744568, −3.85666330852308709926961893959, −3.40994181849326957461612661570, −2.13055224009501831231306687664, −1.12415943668422468051484352214, 0, 1.12415943668422468051484352214, 2.13055224009501831231306687664, 3.40994181849326957461612661570, 3.85666330852308709926961893959, 4.67620866390625816571551744568, 5.41322544637923895601106400271, 6.24309040386397337219214827844, 6.83503088498859371027033549492, 7.33583996745382366769884987302

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