Properties

Label 2-48-1.1-c21-0-2
Degree $2$
Conductor $48$
Sign $1$
Analytic cond. $134.149$
Root an. cond. $11.5822$
Motivic weight $21$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 5.90e4·3-s − 1.12e7·5-s − 2.81e8·7-s + 3.48e9·9-s + 3.61e10·11-s − 4.49e11·13-s + 6.65e11·15-s + 2.12e12·17-s + 4.60e12·19-s + 1.66e13·21-s − 9.50e13·23-s − 3.49e14·25-s − 2.05e14·27-s − 2.24e15·29-s + 3.15e15·31-s − 2.13e15·33-s + 3.17e15·35-s − 1.81e16·37-s + 2.65e16·39-s − 1.69e17·41-s + 1.58e17·43-s − 3.92e16·45-s + 1.34e17·47-s − 4.79e17·49-s − 1.25e17·51-s − 1.56e16·53-s − 4.07e17·55-s + ⋯
L(s)  = 1  − 0.577·3-s − 0.516·5-s − 0.377·7-s + 1/3·9-s + 0.420·11-s − 0.903·13-s + 0.297·15-s + 0.255·17-s + 0.172·19-s + 0.217·21-s − 0.478·23-s − 0.733·25-s − 0.192·27-s − 0.991·29-s + 0.691·31-s − 0.242·33-s + 0.194·35-s − 0.621·37-s + 0.521·39-s − 1.97·41-s + 1.12·43-s − 0.172·45-s + 0.373·47-s − 0.857·49-s − 0.147·51-s − 0.0122·53-s − 0.216·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(22-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s+21/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(48\)    =    \(2^{4} \cdot 3\)
Sign: $1$
Analytic conductor: \(134.149\)
Root analytic conductor: \(11.5822\)
Motivic weight: \(21\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 48,\ (\ :21/2),\ 1)\)

Particular Values

\(L(11)\) \(\approx\) \(0.7943477106\)
\(L(\frac12)\) \(\approx\) \(0.7943477106\)
\(L(\frac{23}{2})\) 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 \( 1 + p^{10} T \)
good5 \( 1 + 2253618 p T + p^{21} T^{2} \)
7 \( 1 + 40273448 p T + p^{21} T^{2} \)
11 \( 1 - 36172082484 T + p^{21} T^{2} \)
13 \( 1 + 34546044490 p T + p^{21} T^{2} \)
17 \( 1 - 124815222738 p T + p^{21} T^{2} \)
19 \( 1 - 242600328100 p T + p^{21} T^{2} \)
23 \( 1 + 95095276921656 T + p^{21} T^{2} \)
29 \( 1 + 77439392529354 p T + p^{21} T^{2} \)
31 \( 1 - 3155693201792656 T + p^{21} T^{2} \)
37 \( 1 + 18178503074861482 T + p^{21} T^{2} \)
41 \( 1 + 169649739387485910 T + p^{21} T^{2} \)
43 \( 1 - 158968551608988244 T + p^{21} T^{2} \)
47 \( 1 - 134697468442682736 T + p^{21} T^{2} \)
53 \( 1 + 15637375269722538 T + p^{21} T^{2} \)
59 \( 1 + 2977241337691499484 T + p^{21} T^{2} \)
61 \( 1 - 3603855625679330702 T + p^{21} T^{2} \)
67 \( 1 + 21066199531967164004 T + p^{21} T^{2} \)
71 \( 1 + 21980089544074358760 T + p^{21} T^{2} \)
73 \( 1 + 17054415965500339222 T + p^{21} T^{2} \)
79 \( 1 - \)\(11\!\cdots\!52\)\( T + p^{21} T^{2} \)
83 \( 1 - 96628520442403345644 T + p^{21} T^{2} \)
89 \( 1 - 60427571095732966650 T + p^{21} T^{2} \)
97 \( 1 + \)\(40\!\cdots\!98\)\( T + p^{21} T^{2} \)
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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

−11.67409132485051322154279197855, −10.36652225250716813593586926945, −9.366807472405104822155575883824, −7.88486298915501931754915962936, −6.86312682489487977002013138974, −5.67520711492847929544933250341, −4.46120320683690130410420877426, −3.32808476389794604549016631351, −1.81584871455292731174272150228, −0.40967457952288880523679252436, 0.40967457952288880523679252436, 1.81584871455292731174272150228, 3.32808476389794604549016631351, 4.46120320683690130410420877426, 5.67520711492847929544933250341, 6.86312682489487977002013138974, 7.88486298915501931754915962936, 9.366807472405104822155575883824, 10.36652225250716813593586926945, 11.67409132485051322154279197855

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