Properties

Label 2-48-1.1-c15-0-4
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 $0$

Origins

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  + 2.18e3·3-s + 4.57e4·5-s − 1.21e6·7-s + 4.78e6·9-s + 2.68e7·11-s − 1.62e8·13-s + 9.99e7·15-s − 7.43e8·17-s + 4.00e9·19-s − 2.66e9·21-s + 3.00e10·23-s − 2.84e10·25-s + 1.04e10·27-s + 1.90e10·29-s + 4.62e9·31-s + 5.88e10·33-s − 5.56e10·35-s + 6.49e11·37-s − 3.55e11·39-s + 7.90e11·41-s − 1.38e12·43-s + 2.18e11·45-s + 3.93e12·47-s − 3.26e12·49-s − 1.62e12·51-s − 1.34e13·53-s + 1.22e12·55-s + ⋯
L(s)  = 1  + 0.577·3-s + 0.261·5-s − 0.558·7-s + 1/3·9-s + 0.416·11-s − 0.718·13-s + 0.151·15-s − 0.439·17-s + 1.02·19-s − 0.322·21-s + 1.84·23-s − 0.931·25-s + 0.192·27-s + 0.204·29-s + 0.0301·31-s + 0.240·33-s − 0.146·35-s + 1.12·37-s − 0.414·39-s + 0.633·41-s − 0.779·43-s + 0.0872·45-s + 1.13·47-s − 0.687·49-s − 0.253·51-s − 1.57·53-s + 0.108·55-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: \(0\)
Selberg data: \((2,\ 48,\ (\ :15/2),\ 1)\)

Particular Values

\(L(8)\) \(\approx\) \(2.695880337\)
\(L(\frac12)\) \(\approx\) \(2.695880337\)
\(L(\frac{17}{2})\) 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 \( 1 - 45702 T + p^{15} T^{2} \)
7 \( 1 + 173984 p T + p^{15} T^{2} \)
11 \( 1 - 2445084 p T + p^{15} T^{2} \)
13 \( 1 + 12506290 p T + p^{15} T^{2} \)
17 \( 1 + 743272542 T + p^{15} T^{2} \)
19 \( 1 - 4003014700 T + p^{15} T^{2} \)
23 \( 1 - 30097540728 T + p^{15} T^{2} \)
29 \( 1 - 19021888926 T + p^{15} T^{2} \)
31 \( 1 - 4621552936 T + p^{15} T^{2} \)
37 \( 1 - 649297928654 T + p^{15} T^{2} \)
41 \( 1 - 790230862890 T + p^{15} T^{2} \)
43 \( 1 + 1388728387532 T + p^{15} T^{2} \)
47 \( 1 - 3933841180608 T + p^{15} T^{2} \)
53 \( 1 + 13472208095706 T + p^{15} T^{2} \)
59 \( 1 - 24672598493364 T + p^{15} T^{2} \)
61 \( 1 - 23630686395542 T + p^{15} T^{2} \)
67 \( 1 + 32385083278292 T + p^{15} T^{2} \)
71 \( 1 - 74451150070920 T + p^{15} T^{2} \)
73 \( 1 - 176524276453946 T + p^{15} T^{2} \)
79 \( 1 - 137959485182488 T + p^{15} T^{2} \)
83 \( 1 - 458794939458348 T + p^{15} T^{2} \)
89 \( 1 + 32239404369270 T + p^{15} T^{2} \)
97 \( 1 - 478308097627586 T + p^{15} T^{2} \)
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

−12.64707364263657028764742348208, −11.32114728445668206404176554929, −9.829712227292944939931671248901, −9.125828557433387514400927989268, −7.64705774038209837024674581230, −6.51687917706388523186185504167, −4.97655921445085556843941156545, −3.48611856803460441262905533427, −2.34946663733829211555159274495, −0.849168262204305172184181129840, 0.849168262204305172184181129840, 2.34946663733829211555159274495, 3.48611856803460441262905533427, 4.97655921445085556843941156545, 6.51687917706388523186185504167, 7.64705774038209837024674581230, 9.125828557433387514400927989268, 9.829712227292944939931671248901, 11.32114728445668206404176554929, 12.64707364263657028764742348208

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