Properties

Label 6776.2.a.bf
Level $6776$
Weight $2$
Character orbit 6776.a
Self dual yes
Analytic conductor $54.107$
Analytic rank $0$
Dimension $6$
CM no
Inner twists $1$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [6776,2,Mod(1,6776)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(6776, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0, 0, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("6776.1");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 6776 = 2^{3} \cdot 7 \cdot 11^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 6776.a (trivial)

Newform invariants

comment: select newform
 
sage: f = N[0] # Warning: the index may be different
 
gp: f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(54.1066324096\)
Analytic rank: \(0\)
Dimension: \(6\)
Coefficient field: 6.6.988075625.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} - 2x^{5} - 24x^{4} + 39x^{3} + 141x^{2} - 200x - 76 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 616)
Fricke sign: \(-1\)
Sato-Tate group: $\mathrm{SU}(2)$

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\ldots,\beta_{5}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta_{2} q^{3} - \beta_1 q^{5} + q^{7} + (\beta_{2} - 2) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{2} q^{3} - \beta_1 q^{5} + q^{7} + (\beta_{2} - 2) q^{9} + (\beta_{5} + \beta_{3}) q^{13} + (\beta_{3} + \beta_1) q^{15} + (\beta_{4} + \beta_{2} - 1) q^{17} + (\beta_{5} + \beta_{4} + \beta_{3} + \cdots - 1) q^{19}+ \cdots + (\beta_{5} + 2 \beta_{3} - \beta_{2} + \cdots - 4) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q - 3 q^{3} - 2 q^{5} + 6 q^{7} - 9 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 6 q - 3 q^{3} - 2 q^{5} + 6 q^{7} - 9 q^{9} + q^{15} - 3 q^{21} + 4 q^{23} + 22 q^{25} + 6 q^{27} + 7 q^{29} - 3 q^{31} - 2 q^{35} - q^{37} - 5 q^{39} - 5 q^{41} - 21 q^{43} + 3 q^{45} + 28 q^{47} + 6 q^{49} - 5 q^{51} - 41 q^{53} - 10 q^{57} + 2 q^{59} + 19 q^{61} - 9 q^{63} + 12 q^{67} - 2 q^{69} + 11 q^{71} + 26 q^{73} - 16 q^{75} + 12 q^{79} - 6 q^{81} + 10 q^{83} + 13 q^{85} - 6 q^{87} + 10 q^{89} - q^{93} + 13 q^{95} - 22 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{6} - 2x^{5} - 24x^{4} + 39x^{3} + 141x^{2} - 200x - 76 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{5} - 12\nu^{4} + 96\nu^{3} + 47\nu^{2} - 1297\nu + 1154 ) / 968 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( -5\nu^{5} + 60\nu^{4} + 4\nu^{3} - 719\nu^{2} + 193\nu + 38 ) / 484 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -9\nu^{5} - 13\nu^{4} + 225\nu^{3} + 303\nu^{2} - 1153\nu - 706 ) / 121 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 23\nu^{5} - 34\nu^{4} - 454\nu^{3} + 355\nu^{2} + 1871\nu - 562 ) / 242 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{5} + \beta_{4} + 2\beta_{3} + \beta _1 + 8 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( \beta_{5} + \beta_{4} + 3\beta_{3} + 10\beta_{2} + 14\beta _1 - 4 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( 15\beta_{5} + 14\beta_{4} + 39\beta_{3} + 18\beta_{2} + 26\beta _1 + 92 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( 37\beta_{5} + 25\beta_{4} + 86\beta_{3} + 224\beta_{2} + 218\beta _1 - 42 \) 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.

comment: embeddings in the coefficient field
 
gp: mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1.1
4.35082
−0.316666
−3.03416
2.72980
1.85686
−3.58667
0 −1.61803 0 −4.35082 0 1.00000 0 −0.381966 0
1.2 0 −1.61803 0 0.316666 0 1.00000 0 −0.381966 0
1.3 0 −1.61803 0 3.03416 0 1.00000 0 −0.381966 0
1.4 0 0.618034 0 −2.72980 0 1.00000 0 −2.61803 0
1.5 0 0.618034 0 −1.85686 0 1.00000 0 −2.61803 0
1.6 0 0.618034 0 3.58667 0 1.00000 0 −2.61803 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1.6
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \(1\)
\(7\) \(-1\)
\(11\) \(1\)

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 6776.2.a.bf 6
11.b odd 2 1 6776.2.a.be 6
11.c even 5 2 616.2.r.c 12
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
616.2.r.c 12 11.c even 5 2
6776.2.a.be 6 11.b odd 2 1
6776.2.a.bf 6 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 \(S_{2}^{\mathrm{new}}(\Gamma_0(6776))\):

\( T_{3}^{2} + T_{3} - 1 \) Copy content Toggle raw display
\( T_{5}^{6} + 2T_{5}^{5} - 24T_{5}^{4} - 39T_{5}^{3} + 141T_{5}^{2} + 200T_{5} - 76 \) Copy content Toggle raw display
\( T_{13}^{6} - 50T_{13}^{4} + 65T_{13}^{3} + 555T_{13}^{2} - 1550T_{13} + 1100 \) Copy content Toggle raw display
\( T_{17}^{6} - 59T_{17}^{4} + 43T_{17}^{3} + 519T_{17}^{2} + 484T_{17} + 121 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{6} \) Copy content Toggle raw display
$3$ \( (T^{2} + T - 1)^{3} \) Copy content Toggle raw display
$5$ \( T^{6} + 2 T^{5} + \cdots - 76 \) Copy content Toggle raw display
$7$ \( (T - 1)^{6} \) Copy content Toggle raw display
$11$ \( T^{6} \) Copy content Toggle raw display
$13$ \( T^{6} - 50 T^{4} + \cdots + 1100 \) Copy content Toggle raw display
$17$ \( T^{6} - 59 T^{4} + \cdots + 121 \) Copy content Toggle raw display
$19$ \( T^{6} - 69 T^{4} + \cdots - 509 \) Copy content Toggle raw display
$23$ \( T^{6} - 4 T^{5} + \cdots - 484 \) Copy content Toggle raw display
$29$ \( T^{6} - 7 T^{5} + \cdots + 1024 \) Copy content Toggle raw display
$31$ \( T^{6} + 3 T^{5} + \cdots - 9236 \) Copy content Toggle raw display
$37$ \( T^{6} + T^{5} + \cdots - 190244 \) Copy content Toggle raw display
$41$ \( T^{6} + 5 T^{5} + \cdots - 182149 \) Copy content Toggle raw display
$43$ \( T^{6} + 21 T^{5} + \cdots + 273841 \) Copy content Toggle raw display
$47$ \( T^{6} - 28 T^{5} + \cdots - 7436 \) Copy content Toggle raw display
$53$ \( T^{6} + 41 T^{5} + \cdots + 5120 \) Copy content Toggle raw display
$59$ \( T^{6} - 2 T^{5} + \cdots + 451 \) Copy content Toggle raw display
$61$ \( T^{6} - 19 T^{5} + \cdots - 304 \) Copy content Toggle raw display
$67$ \( T^{6} - 12 T^{5} + \cdots - 605 \) Copy content Toggle raw display
$71$ \( T^{6} - 11 T^{5} + \cdots - 468400 \) Copy content Toggle raw display
$73$ \( T^{6} - 26 T^{5} + \cdots + 23111 \) Copy content Toggle raw display
$79$ \( T^{6} - 12 T^{5} + \cdots + 4 \) Copy content Toggle raw display
$83$ \( T^{6} - 10 T^{5} + \cdots + 594539 \) Copy content Toggle raw display
$89$ \( T^{6} - 10 T^{5} + \cdots + 13025 \) Copy content Toggle raw display
$97$ \( T^{6} + 22 T^{5} + \cdots + 174079 \) Copy content Toggle raw display
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