Properties

Label 546.4.i.b
Level $546$
Weight $4$
Character orbit 546.i
Analytic conductor $32.215$
Analytic rank $0$
Dimension $8$
Inner twists $2$

Related objects

Downloads

Learn more

Show commands: Magma / Pari/GP / SageMath

Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [546,4,Mod(79,546)] mf = mfinit([N,k,chi],0) lf = mfeigenbasis(mf)
 
Copy content magma://Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("546.79"); S:= CuspForms(chi, 4); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(546, base_ring=CyclotomicField(6)) chi = DirichletCharacter(H, H._module([0, 2, 0])) N = Newforms(chi, 4, names="a")
 
Level: \( N \) \(=\) \( 546 = 2 \cdot 3 \cdot 7 \cdot 13 \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 546.i (of order \(3\), degree \(2\), minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [8,-8,12] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(3)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(32.2150428631\)
Analytic rank: \(0\)
Dimension: \(8\)
Relative dimension: \(4\) over \(\Q(\zeta_{3})\)
Coefficient field: \(\mathbb{Q}[x]/(x^{8} - \cdots)\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} - 2x^{7} + 149x^{6} + 684x^{5} + 20666x^{4} + 28425x^{3} + 33734x^{2} + 6895x + 1225 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{3}]$

$q$-expansion

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

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\ldots,\beta_{7}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + ( - 2 \beta_{3} - 2) q^{2} - 3 \beta_{3} q^{3} + 4 \beta_{3} q^{4} + (\beta_{7} + \beta_{6} - \beta_{5} + \cdots - 8) q^{5} - 6 q^{6} + (\beta_{7} + \beta_{6} + \beta_{5} + \cdots + 2) q^{7} + 8 q^{8}+ \cdots + ( - 9 \beta_{6} + 27 \beta_{5} + \cdots - 162) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q - 8 q^{2} + 12 q^{3} - 16 q^{4} - 34 q^{5} - 48 q^{6} + 35 q^{7} + 64 q^{8} - 36 q^{9} - 68 q^{10} + 74 q^{11} + 48 q^{12} + 104 q^{13} - 80 q^{14} - 204 q^{15} - 64 q^{16} + 49 q^{17} - 72 q^{18} + 41 q^{19}+ \cdots - 1332 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{8} - 2x^{7} + 149x^{6} + 684x^{5} + 20666x^{4} + 28425x^{3} + 33734x^{2} + 6895x + 1225 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( - 3194930 \nu^{7} + 10656195 \nu^{6} - 485497156 \nu^{5} - 1537025738 \nu^{4} + \cdots - 126846201566 ) / 105258945561 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( - 88111249 \nu^{7} + 192197148 \nu^{6} - 13181857076 \nu^{5} - 57840608536 \nu^{4} + \cdots - 605872859305 ) / 526294727805 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 9973897508 \nu^{7} - 8419936866 \nu^{6} + 1447279171147 \nu^{5} + 8573903319452 \nu^{4} + \cdots + 69963752904710 ) / 20525494384395 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( - 2192677675 \nu^{7} + 7394548293 \nu^{6} - 333196275110 \nu^{5} - 1054859424655 \nu^{4} + \cdots + 10233834735467 ) / 4105098876879 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( - 3177787520 \nu^{7} + 10675452744 \nu^{6} - 482892208384 \nu^{5} - 1528778786432 \nu^{4} + \cdots + 70442063783917 ) / 4105098876879 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( - 61011123913 \nu^{7} + 113981641851 \nu^{6} - 9063863150657 \nu^{5} + \cdots - 421504317991960 ) / 20525494384395 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( -5\beta_{7} - 7\beta_{4} + 69\beta_{3} - 3\beta_{2} + 3\beta _1 - 3 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( 17\beta_{6} - 16\beta_{5} - 152\beta_{2} - 435 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( 759\beta_{7} + 759\beta_{6} - 1047\beta_{5} + 1047\beta_{4} - 10606\beta_{3} - 936\beta _1 - 10606 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( 4968\beta_{7} + 5793\beta_{4} - 75840\beta_{3} + 24538\beta_{2} - 24538\beta _1 + 24538 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( -123515\beta_{6} + 166798\beta_{5} + 214845\beta_{2} + 1962561 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( - 1117508 \beta_{7} - 1117508 \beta_{6} + 1380400 \beta_{5} - 1380400 \beta_{4} + 16591519 \beta_{3} + \cdots + 16591519 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/546\mathbb{Z}\right)^\times\).

\(n\) \(157\) \(365\) \(379\)
\(\chi(n)\) \(-1 - \beta_{3}\) \(1\) \(1\)

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.

Copy content comment:embeddings in the coefficient field
 
Copy content gp:mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
79.1
6.83632 11.8408i
−5.13830 + 8.89979i
−0.593002 + 1.02711i
−0.105015 + 0.181891i
6.83632 + 11.8408i
−5.13830 8.89979i
−0.593002 1.02711i
−0.105015 0.181891i
−1.00000 + 1.73205i 1.50000 + 2.59808i −2.00000 3.46410i −9.97935 + 17.2847i −6.00000 17.7041 5.43748i 8.00000 −4.50000 + 7.79423i −19.9587 34.5695i
79.2 −1.00000 + 1.73205i 1.50000 + 2.59808i −2.00000 3.46410i −9.83247 + 17.0303i −6.00000 −0.135629 + 18.5198i 8.00000 −4.50000 + 7.79423i −19.6649 34.0607i
79.3 −1.00000 + 1.73205i 1.50000 + 2.59808i −2.00000 3.46410i −0.502223 + 0.869875i −6.00000 −14.8884 + 11.0152i 8.00000 −4.50000 + 7.79423i −1.00445 1.73975i
79.4 −1.00000 + 1.73205i 1.50000 + 2.59808i −2.00000 3.46410i 3.31404 5.74009i −6.00000 14.8200 11.1071i 8.00000 −4.50000 + 7.79423i 6.62809 + 11.4802i
235.1 −1.00000 1.73205i 1.50000 2.59808i −2.00000 + 3.46410i −9.97935 17.2847i −6.00000 17.7041 + 5.43748i 8.00000 −4.50000 7.79423i −19.9587 + 34.5695i
235.2 −1.00000 1.73205i 1.50000 2.59808i −2.00000 + 3.46410i −9.83247 17.0303i −6.00000 −0.135629 18.5198i 8.00000 −4.50000 7.79423i −19.6649 + 34.0607i
235.3 −1.00000 1.73205i 1.50000 2.59808i −2.00000 + 3.46410i −0.502223 0.869875i −6.00000 −14.8884 11.0152i 8.00000 −4.50000 7.79423i −1.00445 + 1.73975i
235.4 −1.00000 1.73205i 1.50000 2.59808i −2.00000 + 3.46410i 3.31404 + 5.74009i −6.00000 14.8200 + 11.1071i 8.00000 −4.50000 7.79423i 6.62809 11.4802i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 79.4
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
7.c even 3 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 546.4.i.b 8
7.c even 3 1 inner 546.4.i.b 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
546.4.i.b 8 1.a even 1 1 trivial
546.4.i.b 8 7.c even 3 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{8} + 34 T_{5}^{7} + 993 T_{5}^{6} + 10484 T_{5}^{5} + 113196 T_{5}^{4} - 225089 T_{5}^{3} + \cdots + 6827769 \) acting on \(S_{4}^{\mathrm{new}}(546, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{2} + 2 T + 4)^{4} \) Copy content Toggle raw display
$3$ \( (T^{2} - 3 T + 9)^{4} \) Copy content Toggle raw display
$5$ \( T^{8} + 34 T^{7} + \cdots + 6827769 \) Copy content Toggle raw display
$7$ \( T^{8} + \cdots + 13841287201 \) Copy content Toggle raw display
$11$ \( T^{8} + \cdots + 8444981300625 \) Copy content Toggle raw display
$13$ \( (T - 13)^{8} \) Copy content Toggle raw display
$17$ \( T^{8} + \cdots + 697395668062500 \) Copy content Toggle raw display
$19$ \( T^{8} + \cdots + 270682518714624 \) Copy content Toggle raw display
$23$ \( T^{8} + \cdots + 11\!\cdots\!96 \) Copy content Toggle raw display
$29$ \( (T^{4} - 165 T^{3} + \cdots + 87015315)^{2} \) Copy content Toggle raw display
$31$ \( T^{8} + \cdots + 40\!\cdots\!25 \) Copy content Toggle raw display
$37$ \( T^{8} + \cdots + 38\!\cdots\!00 \) Copy content Toggle raw display
$41$ \( (T^{4} + 274 T^{3} + \cdots - 2016555996)^{2} \) Copy content Toggle raw display
$43$ \( (T^{4} - 568 T^{3} + \cdots - 1242360668)^{2} \) Copy content Toggle raw display
$47$ \( T^{8} + \cdots + 62\!\cdots\!00 \) Copy content Toggle raw display
$53$ \( T^{8} + \cdots + 28\!\cdots\!25 \) Copy content Toggle raw display
$59$ \( T^{8} + \cdots + 44\!\cdots\!21 \) Copy content Toggle raw display
$61$ \( T^{8} + \cdots + 44\!\cdots\!16 \) Copy content Toggle raw display
$67$ \( T^{8} + \cdots + 37\!\cdots\!16 \) Copy content Toggle raw display
$71$ \( (T^{4} + 777 T^{3} + \cdots - 1264108314)^{2} \) Copy content Toggle raw display
$73$ \( T^{8} + \cdots + 55\!\cdots\!84 \) Copy content Toggle raw display
$79$ \( T^{8} + \cdots + 26\!\cdots\!21 \) Copy content Toggle raw display
$83$ \( (T^{4} + \cdots + 1380578506041)^{2} \) Copy content Toggle raw display
$89$ \( T^{8} + \cdots + 38\!\cdots\!96 \) Copy content Toggle raw display
$97$ \( (T^{4} - 630 T^{3} + \cdots + 43414203455)^{2} \) Copy content Toggle raw display
show more
show less