Properties

Label 2-48-1.1-c15-0-1
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

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Normalization:  

Dirichlet series

L(s)  = 1  + 2.18e3·3-s − 3.14e5·5-s − 2.02e6·7-s + 4.78e6·9-s − 1.10e8·11-s + 5.60e7·13-s − 6.87e8·15-s − 1.93e9·17-s − 2.16e9·19-s − 4.42e9·21-s − 6.22e9·23-s + 6.83e10·25-s + 1.04e10·27-s + 6.47e10·29-s + 2.02e10·31-s − 2.41e11·33-s + 6.36e11·35-s + 4.88e11·37-s + 1.22e11·39-s − 7.72e11·41-s − 1.30e12·43-s − 1.50e12·45-s − 3.35e12·47-s − 6.46e11·49-s − 4.22e12·51-s + 9.38e12·53-s + 3.46e13·55-s + ⋯
L(s)  = 1  + 0.577·3-s − 1.80·5-s − 0.929·7-s + 1/3·9-s − 1.70·11-s + 0.247·13-s − 1.03·15-s − 1.14·17-s − 0.555·19-s − 0.536·21-s − 0.381·23-s + 2.24·25-s + 0.192·27-s + 0.696·29-s + 0.132·31-s − 0.984·33-s + 1.67·35-s + 0.846·37-s + 0.143·39-s − 0.619·41-s − 0.733·43-s − 0.600·45-s − 0.965·47-s − 0.136·49-s − 0.658·51-s + 1.09·53-s + 3.07·55-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

\(L(8)\) \(\approx\) \(0.5579053845\)
\(L(\frac12)\) \(\approx\) \(0.5579053845\)
\(L(\frac{17}{2})\) 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 \( 1 + 62898 p T + p^{15} T^{2} \)
7 \( 1 + 2025056 T + p^{15} T^{2} \)
11 \( 1 + 110255052 T + p^{15} T^{2} \)
13 \( 1 - 4311374 p T + p^{15} T^{2} \)
17 \( 1 + 1930104414 T + p^{15} T^{2} \)
19 \( 1 + 2163188180 T + p^{15} T^{2} \)
23 \( 1 + 6228974472 T + p^{15} T^{2} \)
29 \( 1 - 64743719070 T + p^{15} T^{2} \)
31 \( 1 - 20237611048 T + p^{15} T^{2} \)
37 \( 1 - 488967594446 T + p^{15} T^{2} \)
41 \( 1 + 772359114198 T + p^{15} T^{2} \)
43 \( 1 + 1306766329292 T + p^{15} T^{2} \)
47 \( 1 + 3351821491776 T + p^{15} T^{2} \)
53 \( 1 - 9387813393702 T + p^{15} T^{2} \)
59 \( 1 + 28930359275340 T + p^{15} T^{2} \)
61 \( 1 - 42393077399702 T + p^{15} T^{2} \)
67 \( 1 - 52247243064364 T + p^{15} T^{2} \)
71 \( 1 - 27194529024648 T + p^{15} T^{2} \)
73 \( 1 + 91604195687878 T + p^{15} T^{2} \)
79 \( 1 + 62882111078120 T + p^{15} T^{2} \)
83 \( 1 - 223567315949868 T + p^{15} T^{2} \)
89 \( 1 - 554198786115210 T + p^{15} T^{2} \)
97 \( 1 + 14318252338942 p T + p^{15} T^{2} \)
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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

−12.61080966630491615173497034947, −11.31013995331739065951957147310, −10.20257058131096222521287503989, −8.591654794432761078572028569193, −7.85151947230228236513215927094, −6.68767939195099554715335075460, −4.70031470350661197985389502440, −3.57393262518244915560134519434, −2.57103729155596431768826548153, −0.35653131254624719802162319947, 0.35653131254624719802162319947, 2.57103729155596431768826548153, 3.57393262518244915560134519434, 4.70031470350661197985389502440, 6.68767939195099554715335075460, 7.85151947230228236513215927094, 8.591654794432761078572028569193, 10.20257058131096222521287503989, 11.31013995331739065951957147310, 12.61080966630491615173497034947

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