Properties

Label 2-48-1.1-c5-0-4
Degree $2$
Conductor $48$
Sign $-1$
Analytic cond. $7.69842$
Root an. cond. $2.77460$
Motivic weight $5$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 9·3-s − 66·5-s − 176·7-s + 81·9-s + 60·11-s − 658·13-s − 594·15-s − 414·17-s − 956·19-s − 1.58e3·21-s − 600·23-s + 1.23e3·25-s + 729·27-s + 5.57e3·29-s + 3.59e3·31-s + 540·33-s + 1.16e4·35-s − 8.45e3·37-s − 5.92e3·39-s + 1.91e4·41-s − 1.33e4·43-s − 5.34e3·45-s + 1.96e4·47-s + 1.41e4·49-s − 3.72e3·51-s − 3.12e4·53-s − 3.96e3·55-s + ⋯
L(s)  = 1  + 0.577·3-s − 1.18·5-s − 1.35·7-s + 1/3·9-s + 0.149·11-s − 1.07·13-s − 0.681·15-s − 0.347·17-s − 0.607·19-s − 0.783·21-s − 0.236·23-s + 0.393·25-s + 0.192·27-s + 1.23·29-s + 0.671·31-s + 0.0863·33-s + 1.60·35-s − 1.01·37-s − 0.623·39-s + 1.78·41-s − 1.09·43-s − 0.393·45-s + 1.29·47-s + 0.843·49-s − 0.200·51-s − 1.52·53-s − 0.176·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(48\)    =    \(2^{4} \cdot 3\)
Sign: $-1$
Analytic conductor: \(7.69842\)
Root analytic conductor: \(2.77460\)
Motivic weight: \(5\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 48,\ (\ :5/2),\ -1)\)

Particular Values

\(L(3)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{7}{2})\) 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 \( 1 - p^{2} T \)
good5 \( 1 + 66 T + p^{5} T^{2} \)
7 \( 1 + 176 T + p^{5} T^{2} \)
11 \( 1 - 60 T + p^{5} T^{2} \)
13 \( 1 + 658 T + p^{5} T^{2} \)
17 \( 1 + 414 T + p^{5} T^{2} \)
19 \( 1 + 956 T + p^{5} T^{2} \)
23 \( 1 + 600 T + p^{5} T^{2} \)
29 \( 1 - 5574 T + p^{5} T^{2} \)
31 \( 1 - 3592 T + p^{5} T^{2} \)
37 \( 1 + 8458 T + p^{5} T^{2} \)
41 \( 1 - 19194 T + p^{5} T^{2} \)
43 \( 1 + 13316 T + p^{5} T^{2} \)
47 \( 1 - 19680 T + p^{5} T^{2} \)
53 \( 1 + 31266 T + p^{5} T^{2} \)
59 \( 1 + 26340 T + p^{5} T^{2} \)
61 \( 1 + 31090 T + p^{5} T^{2} \)
67 \( 1 - 16804 T + p^{5} T^{2} \)
71 \( 1 + 6120 T + p^{5} T^{2} \)
73 \( 1 + 25558 T + p^{5} T^{2} \)
79 \( 1 + 74408 T + p^{5} T^{2} \)
83 \( 1 - 6468 T + p^{5} T^{2} \)
89 \( 1 + 32742 T + p^{5} T^{2} \)
97 \( 1 - 166082 T + p^{5} T^{2} \)
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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

−14.15264371278602592019456279786, −12.79212769532995176276559275717, −11.98215101287879823547544206284, −10.34493145693428254395256167319, −9.141743676360213261126896381840, −7.80583564714552416227920490863, −6.60544577993134557346225331985, −4.30266278584201242570074958133, −2.92437735962115777125174653471, 0, 2.92437735962115777125174653471, 4.30266278584201242570074958133, 6.60544577993134557346225331985, 7.80583564714552416227920490863, 9.141743676360213261126896381840, 10.34493145693428254395256167319, 11.98215101287879823547544206284, 12.79212769532995176276559275717, 14.15264371278602592019456279786

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