Properties

Label 6840.2.a.bd
Level $6840$
Weight $2$
Character orbit 6840.a
Self dual yes
Analytic conductor $54.618$
Analytic rank $0$
Dimension $2$
CM no
Inner twists $1$

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Newspace parameters

Level: \( N \) \(=\) \( 6840 = 2^{3} \cdot 3^{2} \cdot 5 \cdot 19 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 6840.a (trivial)

Newform invariants

Self dual: yes
Analytic conductor: \(54.6176749826\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{5}) \)
Defining polynomial: \( x^{2} - x - 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2 \)
Twist minimal: no (minimal twist has level 2280)
Fricke sign: \(-1\)
Sato-Tate group: $\mathrm{SU}(2)$

$q$-expansion

Coefficients of the \(q\)-expansion are expressed in terms of \(\beta = \sqrt{5}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + q^{5} + (\beta + 3) q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q + q^{5} + (\beta + 3) q^{7} + (\beta - 1) q^{11} + ( - \beta + 3) q^{13} - 2 \beta q^{17} + q^{19} + ( - 2 \beta + 2) q^{23} + q^{25} + (\beta - 3) q^{29} - 4 \beta q^{31} + (\beta + 3) q^{35} + (\beta + 1) q^{37} + (3 \beta + 3) q^{41} + (\beta + 3) q^{43} + ( - 2 \beta + 2) q^{47} + (6 \beta + 7) q^{49} + (2 \beta - 4) q^{53} + (\beta - 1) q^{55} + (2 \beta + 6) q^{59} + 2 \beta q^{61} + ( - \beta + 3) q^{65} + ( - 2 \beta + 6) q^{67} + (2 \beta + 8) q^{73} + (2 \beta + 2) q^{77} - 4 q^{83} - 2 \beta q^{85} + (3 \beta - 5) q^{89} + 4 q^{91} + q^{95} + (\beta - 7) q^{97} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q + 2 q^{5} + 6 q^{7}+O(q^{10}) \) Copy content Toggle raw display \( 2 q + 2 q^{5} + 6 q^{7} - 2 q^{11} + 6 q^{13} + 2 q^{19} + 4 q^{23} + 2 q^{25} - 6 q^{29} + 6 q^{35} + 2 q^{37} + 6 q^{41} + 6 q^{43} + 4 q^{47} + 14 q^{49} - 8 q^{53} - 2 q^{55} + 12 q^{59} + 6 q^{65} + 12 q^{67} + 16 q^{73} + 4 q^{77} - 8 q^{83} - 10 q^{89} + 8 q^{91} + 2 q^{95} - 14 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Embeddings

For each embedding \(\iota_m\) of the coefficient field, the values \(\iota_m(a_n)\) are shown below.

For more information on an embedded modular form you can click on its label.

Label \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1.1
−0.618034
1.61803
0 0 0 1.00000 0 0.763932 0 0 0
1.2 0 0 0 1.00000 0 5.23607 0 0 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \(1\)
\(3\) \(-1\)
\(5\) \(-1\)
\(19\) \(-1\)

Inner twists

This newform does not admit any (nontrivial) inner twists.

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 6840.2.a.bd 2
3.b odd 2 1 2280.2.a.p 2
12.b even 2 1 4560.2.a.be 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
2280.2.a.p 2 3.b odd 2 1
4560.2.a.be 2 12.b even 2 1
6840.2.a.bd 2 1.a even 1 1 trivial

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(6840))\):

\( T_{7}^{2} - 6T_{7} + 4 \) Copy content Toggle raw display
\( T_{11}^{2} + 2T_{11} - 4 \) Copy content Toggle raw display
\( T_{13}^{2} - 6T_{13} + 4 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{2} \) Copy content Toggle raw display
$3$ \( T^{2} \) Copy content Toggle raw display
$5$ \( (T - 1)^{2} \) Copy content Toggle raw display
$7$ \( T^{2} - 6T + 4 \) Copy content Toggle raw display
$11$ \( T^{2} + 2T - 4 \) Copy content Toggle raw display
$13$ \( T^{2} - 6T + 4 \) Copy content Toggle raw display
$17$ \( T^{2} - 20 \) Copy content Toggle raw display
$19$ \( (T - 1)^{2} \) Copy content Toggle raw display
$23$ \( T^{2} - 4T - 16 \) Copy content Toggle raw display
$29$ \( T^{2} + 6T + 4 \) Copy content Toggle raw display
$31$ \( T^{2} - 80 \) Copy content Toggle raw display
$37$ \( T^{2} - 2T - 4 \) Copy content Toggle raw display
$41$ \( T^{2} - 6T - 36 \) Copy content Toggle raw display
$43$ \( T^{2} - 6T + 4 \) Copy content Toggle raw display
$47$ \( T^{2} - 4T - 16 \) Copy content Toggle raw display
$53$ \( T^{2} + 8T - 4 \) Copy content Toggle raw display
$59$ \( T^{2} - 12T + 16 \) Copy content Toggle raw display
$61$ \( T^{2} - 20 \) Copy content Toggle raw display
$67$ \( T^{2} - 12T + 16 \) Copy content Toggle raw display
$71$ \( T^{2} \) Copy content Toggle raw display
$73$ \( T^{2} - 16T + 44 \) Copy content Toggle raw display
$79$ \( T^{2} \) Copy content Toggle raw display
$83$ \( (T + 4)^{2} \) Copy content Toggle raw display
$89$ \( T^{2} + 10T - 20 \) Copy content Toggle raw display
$97$ \( T^{2} + 14T + 44 \) Copy content Toggle raw display
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