Show commands: Magma / Pari/GP / SageMath

Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [4056,2,Mod(337,4056)] 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("4056.337"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(4056, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0, 0, 1])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 4056 = 2^{3} \cdot 3 \cdot 13^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 4056.c (of order \(2\), degree \(1\), not minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [12,0,-12,0,0,0,0,0,12,0,0,0,0,0,0,0,10,0,0,0,0,0,12] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(23)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(32.3873230598\)
Analytic rank: \(0\)
Dimension: \(12\)
Coefficient field: \(\mathbb{Q}[x]/(x^{12} + \cdots)\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{12} + 39x^{10} + 601x^{8} + 4599x^{6} + 17849x^{4} + 31203x^{2} + 16129 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-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 \(1,\beta_1,\ldots,\beta_{11}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - q^{3} - \beta_{10} q^{5} + (\beta_{9} - \beta_1) q^{7} + q^{9} + (\beta_{11} + \beta_{9} - \beta_{6} + \beta_1) q^{11} + \beta_{10} q^{15} + ( - \beta_{7} - \beta_{3} + 2 \beta_{2}) q^{17} + ( - \beta_{10} - 3 \beta_{9} + \cdots + \beta_{5}) q^{19}+ \cdots + (\beta_{11} + \beta_{9} - \beta_{6} + \beta_1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 12 q - 12 q^{3} + 12 q^{9} + 10 q^{17} + 12 q^{23} - 34 q^{25} - 12 q^{27} + 6 q^{29} + 8 q^{35} - 22 q^{43} - 10 q^{49} - 10 q^{51} + 24 q^{53} + 14 q^{55} + 34 q^{61} - 12 q^{69} + 34 q^{75} + 50 q^{77}+ \cdots - 86 q^{95}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{12} + 39x^{10} + 601x^{8} + 4599x^{6} + 17849x^{4} + 31203x^{2} + 16129 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 56\nu^{10} + 1762\nu^{8} + 20390\nu^{6} + 104189\nu^{4} + 216988\nu^{2} + 121298 ) / 167 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 84\nu^{10} + 2643\nu^{8} + 30585\nu^{6} + 156200\nu^{4} + 324480\nu^{2} + 179776 ) / 167 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 93\nu^{10} + 2956\nu^{8} + 34524\nu^{6} + 177731\nu^{4} + 371556\nu^{2} + 206672 ) / 167 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 1680\nu^{11} + 52693\nu^{9} + 608360\nu^{7} + 3102123\nu^{5} + 6433154\nu^{3} + 3538740\nu ) / 21209 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 2097\nu^{11} + 66416\nu^{9} + 772998\nu^{7} + 3964790\nu^{5} + 8252119\nu^{3} + 4572386\nu ) / 21209 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 177\nu^{10} + 5599\nu^{8} + 65109\nu^{6} + 333931\nu^{4} + 696203\nu^{2} + 387617 ) / 167 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 250\nu^{10} + 7878\nu^{8} + 91325\nu^{6} + 467378\nu^{4} + 973444\nu^{2} + 541330 ) / 167 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 34\nu^{11} + 1072\nu^{9} + 12433\nu^{7} + 63656\nu^{5} + 132648\nu^{3} + 73858\nu ) / 127 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( 6670\nu^{11} + 209330\nu^{9} + 2416344\nu^{7} + 12308971\nu^{5} + 25489898\nu^{3} + 14036006\nu ) / 21209 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( 16384\nu^{11} + 518326\nu^{9} + 6027894\nu^{7} + 30916018\nu^{5} + 64425391\nu^{3} + 35710964\nu ) / 21209 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{7} - \beta_{4} - \beta_{3} - 7 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( -\beta_{11} + 2\beta_{9} + 4\beta_{6} - 2\beta_{5} - 8\beta_1 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( -12\beta_{7} + 12\beta_{4} + 10\beta_{3} + 3\beta_{2} + 58 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( 12\beta_{11} + \beta_{10} - 20\beta_{9} - 54\beta_{6} + 14\beta_{5} + 70\beta_1 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( 5\beta_{8} + 124\beta_{7} - 126\beta_{4} - 102\beta_{3} - 52\beta_{2} - 514 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( -126\beta_{11} - 28\beta_{10} + 191\beta_{9} + 598\beta_{6} - 52\beta_{5} - 638\beta_1 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( -111\beta_{8} - 1236\beta_{7} + 1286\beta_{4} + 1063\beta_{3} + 672\beta_{2} + 4718 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( 1286\beta_{11} + 449\beta_{10} - 1856\beta_{9} - 6238\beta_{6} - 265\beta_{5} + 5954\beta_1 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( 1672\beta_{8} + 12192\beta_{7} - 13037\beta_{4} - 11038\beta_{3} - 7789\beta_{2} - 44250 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( -13037\beta_{11} - 5790\beta_{10} + 18320\beta_{9} + 63501\beta_{6} + 8962\beta_{5} - 56442\beta_1 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/4056\mathbb{Z}\right)^\times\).

\(n\) \(1015\) \(2029\) \(2705\) \(3889\)
\(\chi(n)\) \(1\) \(1\) \(1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
337.1
0.920510i
3.12925i
1.88227i
2.72245i
3.16419i
2.71914i
2.71914i
3.16419i
2.72245i
1.88227i
3.12925i
0.920510i
0 −1.00000 0 3.90568i 0 0.0794899i 0 1.00000 0
337.2 0 −1.00000 0 3.34715i 0 2.12925i 0 1.00000 0
337.3 0 −1.00000 0 2.90211i 0 2.88227i 0 1.00000 0
337.4 0 −1.00000 0 2.65870i 0 3.72245i 0 1.00000 0
337.5 0 −1.00000 0 2.21013i 0 4.16419i 0 1.00000 0
337.6 0 −1.00000 0 0.408195i 0 1.71914i 0 1.00000 0
337.7 0 −1.00000 0 0.408195i 0 1.71914i 0 1.00000 0
337.8 0 −1.00000 0 2.21013i 0 4.16419i 0 1.00000 0
337.9 0 −1.00000 0 2.65870i 0 3.72245i 0 1.00000 0
337.10 0 −1.00000 0 2.90211i 0 2.88227i 0 1.00000 0
337.11 0 −1.00000 0 3.34715i 0 2.12925i 0 1.00000 0
337.12 0 −1.00000 0 3.90568i 0 0.0794899i 0 1.00000 0
\(n\): e.g. 2-40 or 80-90
Embeddings: e.g. 1-3 or 337.12
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
13.b even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 4056.2.c.q 12
13.b even 2 1 inner 4056.2.c.q 12
13.d odd 4 1 4056.2.a.bf 6
13.d odd 4 1 4056.2.a.bg yes 6
52.f even 4 1 8112.2.a.cv 6
52.f even 4 1 8112.2.a.cw 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
4056.2.a.bf 6 13.d odd 4 1
4056.2.a.bg yes 6 13.d odd 4 1
4056.2.c.q 12 1.a even 1 1 trivial
4056.2.c.q 12 13.b even 2 1 inner
8112.2.a.cv 6 52.f even 4 1
8112.2.a.cw 6 52.f even 4 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(4056, [\chi])\):

\( T_{5}^{12} + 47T_{5}^{10} + 853T_{5}^{8} + 7491T_{5}^{6} + 32025T_{5}^{4} + 54831T_{5}^{2} + 8281 \) Copy content Toggle raw display
\( T_{7}^{12} + 47T_{7}^{10} + 809T_{7}^{8} + 6271T_{7}^{6} + 21681T_{7}^{4} + 26883T_{7}^{2} + 169 \) Copy content Toggle raw display
\( T_{11}^{12} + 110T_{11}^{10} + 4521T_{11}^{8} + 87550T_{11}^{6} + 829066T_{11}^{4} + 3517612T_{11}^{2} + 4618201 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{12} \) Copy content Toggle raw display
$3$ \( (T + 1)^{12} \) Copy content Toggle raw display
$5$ \( T^{12} + 47 T^{10} + \cdots + 8281 \) Copy content Toggle raw display
$7$ \( T^{12} + 47 T^{10} + \cdots + 169 \) Copy content Toggle raw display
$11$ \( T^{12} + 110 T^{10} + \cdots + 4618201 \) Copy content Toggle raw display
$13$ \( T^{12} \) Copy content Toggle raw display
$17$ \( (T^{6} - 5 T^{5} + \cdots - 26648)^{2} \) Copy content Toggle raw display
$19$ \( T^{12} + 121 T^{10} + \cdots + 4096 \) Copy content Toggle raw display
$23$ \( (T^{6} - 6 T^{5} + \cdots + 1352)^{2} \) Copy content Toggle raw display
$29$ \( (T^{6} - 3 T^{5} - 29 T^{4} + \cdots + 29)^{2} \) Copy content Toggle raw display
$31$ \( T^{12} + 191 T^{10} + \cdots + 12453841 \) Copy content Toggle raw display
$37$ \( T^{12} + \cdots + 77404142656 \) Copy content Toggle raw display
$41$ \( T^{12} + \cdots + 1080568384 \) Copy content Toggle raw display
$43$ \( (T^{6} + 11 T^{5} + \cdots + 5944)^{2} \) Copy content Toggle raw display
$47$ \( T^{12} + \cdots + 1163628544 \) Copy content Toggle raw display
$53$ \( (T^{6} - 12 T^{5} + \cdots + 30997)^{2} \) Copy content Toggle raw display
$59$ \( T^{12} + 405 T^{10} + \cdots + 25969216 \) Copy content Toggle raw display
$61$ \( (T^{6} - 17 T^{5} + \cdots + 9304)^{2} \) Copy content Toggle raw display
$67$ \( T^{12} + \cdots + 58474977856 \) Copy content Toggle raw display
$71$ \( T^{12} + \cdots + 106291648576 \) Copy content Toggle raw display
$73$ \( T^{12} + 607 T^{10} + \cdots + 47458321 \) Copy content Toggle raw display
$79$ \( (T^{6} - 14 T^{5} + \cdots + 4843)^{2} \) Copy content Toggle raw display
$83$ \( T^{12} + \cdots + 633869153281 \) Copy content Toggle raw display
$89$ \( T^{12} + \cdots + 247621696 \) Copy content Toggle raw display
$97$ \( T^{12} + \cdots + 680322889 \) Copy content Toggle raw display
show more
show less