Properties

Label 2-48-1.1-c15-0-10
Degree $2$
Conductor $48$
Sign $-1$
Analytic cond. $68.4928$
Root an. cond. $8.27604$
Motivic weight $15$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2.18e3·3-s + 7.76e4·5-s − 7.62e5·7-s + 4.78e6·9-s − 4.80e7·11-s + 2.85e8·13-s − 1.69e8·15-s − 3.17e9·17-s + 5.89e9·19-s + 1.66e9·21-s + 3.33e8·23-s − 2.44e10·25-s − 1.04e10·27-s + 1.17e11·29-s + 2.25e11·31-s + 1.05e11·33-s − 5.91e10·35-s − 4.77e11·37-s − 6.23e11·39-s + 1.19e12·41-s − 1.06e12·43-s + 3.71e11·45-s − 1.32e12·47-s − 4.16e12·49-s + 6.94e12·51-s − 6.57e12·53-s − 3.72e12·55-s + ⋯
L(s)  = 1  − 0.577·3-s + 0.444·5-s − 0.349·7-s + 1/3·9-s − 0.742·11-s + 1.26·13-s − 0.256·15-s − 1.87·17-s + 1.51·19-s + 0.201·21-s + 0.0203·23-s − 0.802·25-s − 0.192·27-s + 1.26·29-s + 1.47·31-s + 0.428·33-s − 0.155·35-s − 0.827·37-s − 0.727·39-s + 0.959·41-s − 0.598·43-s + 0.148·45-s − 0.381·47-s − 0.877·49-s + 1.08·51-s − 0.768·53-s − 0.330·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(16-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s+15/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(48\)    =    \(2^{4} \cdot 3\)
Sign: $-1$
Analytic conductor: \(68.4928\)
Root analytic conductor: \(8.27604\)
Motivic weight: \(15\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 48,\ (\ :15/2),\ -1)\)

Particular Values

\(L(8)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{17}{2})\) 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 \( 1 + p^{7} T \)
good5 \( 1 - 77646 T + p^{15} T^{2} \)
7 \( 1 + 108872 p T + p^{15} T^{2} \)
11 \( 1 + 4364652 p T + p^{15} T^{2} \)
13 \( 1 - 21933086 p T + p^{15} T^{2} \)
17 \( 1 + 3173671566 T + p^{15} T^{2} \)
19 \( 1 - 5895116260 T + p^{15} T^{2} \)
23 \( 1 - 333010392 T + p^{15} T^{2} \)
29 \( 1 - 117285392310 T + p^{15} T^{2} \)
31 \( 1 - 225821452768 T + p^{15} T^{2} \)
37 \( 1 + 477657973906 T + p^{15} T^{2} \)
41 \( 1 - 1196721561882 T + p^{15} T^{2} \)
43 \( 1 + 1066802913668 T + p^{15} T^{2} \)
47 \( 1 + 1324913565264 T + p^{15} T^{2} \)
53 \( 1 + 6573181204962 T + p^{15} T^{2} \)
59 \( 1 + 7973946241140 T + p^{15} T^{2} \)
61 \( 1 - 14311350203222 T + p^{15} T^{2} \)
67 \( 1 + 41052380998124 T + p^{15} T^{2} \)
71 \( 1 + 67253761134072 T + p^{15} T^{2} \)
73 \( 1 + 156200366359942 T + p^{15} T^{2} \)
79 \( 1 - 138004701018640 T + p^{15} T^{2} \)
83 \( 1 + 469396029824988 T + p^{15} T^{2} \)
89 \( 1 + 422649074576790 T + p^{15} T^{2} \)
97 \( 1 + 201862519502686 T + p^{15} T^{2} \)
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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

−11.77779513075998299100610505690, −10.76254722286428153721772194916, −9.673875121034417987814118876192, −8.341736625551158393572238865359, −6.76984612063547167331601635495, −5.81168845184723670908544602621, −4.50897025015523295578355838676, −2.89934277523136363857829137799, −1.37217043494279699346093884733, 0, 1.37217043494279699346093884733, 2.89934277523136363857829137799, 4.50897025015523295578355838676, 5.81168845184723670908544602621, 6.76984612063547167331601635495, 8.341736625551158393572238865359, 9.673875121034417987814118876192, 10.76254722286428153721772194916, 11.77779513075998299100610505690

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