Properties

Label 2112.2.k.l
Level $2112$
Weight $2$
Character orbit 2112.k
Analytic conductor $16.864$
Analytic rank $0$
Dimension $16$
CM no
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [2112,2,Mod(287,2112)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2112, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 1, 1, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("2112.287");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2112 = 2^{6} \cdot 3 \cdot 11 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2112.k (of order \(2\), degree \(1\), minimal)

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: no
Analytic conductor: \(16.8644049069\)
Analytic rank: \(0\)
Dimension: \(16\)
Coefficient field: 16.0.968265199641600000000.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{16} + 9x^{14} + 44x^{12} + 261x^{10} + 1029x^{8} + 1044x^{6} + 704x^{4} + 576x^{2} + 256 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 2^{12} \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-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 \(1,\beta_1,\ldots,\beta_{15}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta_{9} q^{3} + (\beta_{4} + \beta_{3} - \beta_1 + 1) q^{5} + (\beta_{13} + \beta_{7}) q^{7} + \beta_{2} q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{9} q^{3} + (\beta_{4} + \beta_{3} - \beta_1 + 1) q^{5} + (\beta_{13} + \beta_{7}) q^{7} + \beta_{2} q^{9} - \beta_{7} q^{11} + (\beta_{11} + \beta_{8} + \cdots + \beta_{3}) q^{13}+ \cdots - \beta_{6} q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q + 16 q^{5} - 4 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 16 q + 16 q^{5} - 4 q^{9} + 20 q^{21} + 40 q^{25} - 4 q^{45} + 16 q^{49} - 8 q^{53} - 44 q^{57} - 60 q^{69} - 56 q^{73} + 16 q^{77} + 68 q^{81} - 92 q^{93} - 88 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} + 9x^{14} + 44x^{12} + 261x^{10} + 1029x^{8} + 1044x^{6} + 704x^{4} + 576x^{2} + 256 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( -37\nu^{14} - 169\nu^{12} - 1320\nu^{10} - 8217\nu^{8} - 8709\nu^{6} - 5760\nu^{4} - 4928\nu^{2} + 1311424 ) / 587520 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( - 109 \nu^{14} - 1573 \nu^{12} - 9540 \nu^{10} - 49569 \nu^{8} - 243633 \nu^{6} - 573420 \nu^{4} + \cdots - 141632 ) / 81600 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 2131 \nu^{14} + 19327 \nu^{12} + 90360 \nu^{10} + 520671 \nu^{8} + 2062467 \nu^{6} + 1325280 \nu^{4} + \cdots + 594368 ) / 1468800 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 2143 \nu^{14} + 19731 \nu^{12} + 97680 \nu^{10} + 575163 \nu^{8} + 2303751 \nu^{6} + 2598840 \nu^{4} + \cdots + 1293504 ) / 489600 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 6253 \nu^{15} + 50321 \nu^{13} + 223080 \nu^{11} + 1388673 \nu^{9} + 4996941 \nu^{7} + \cdots + 4934464 \nu ) / 1958400 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 19129 \nu^{15} + 152653 \nu^{13} + 682440 \nu^{11} + 4248189 \nu^{9} + 15077913 \nu^{7} + \cdots - 15936448 \nu ) / 5875200 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 1127 \nu^{15} + 9779 \nu^{13} + 45720 \nu^{11} + 273507 \nu^{9} + 1043559 \nu^{7} + \cdots + 300736 \nu ) / 345600 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( - 2739 \nu^{14} - 23023 \nu^{12} - 107640 \nu^{10} - 656799 \nu^{8} - 2456883 \nu^{6} + \cdots - 1034432 ) / 326400 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( - 2361 \nu^{15} - 22877 \nu^{13} - 116760 \nu^{11} - 674301 \nu^{9} - 2791017 \nu^{7} + \cdots - 1576768 \nu ) / 652800 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( 473 \nu^{14} + 4081 \nu^{12} + 19080 \nu^{10} + 114693 \nu^{8} + 435501 \nu^{6} + 279840 \nu^{4} + \cdots + 125504 ) / 40800 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( 11621 \nu^{14} + 95837 \nu^{12} + 439260 \nu^{10} + 2705961 \nu^{8} + 9941577 \nu^{6} + \cdots + 3563008 ) / 734400 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( - 281 \nu^{15} - 2173 \nu^{13} - 9400 \nu^{11} - 59773 \nu^{9} - 206089 \nu^{7} + 12368 \nu^{5} + \cdots - 80448 \nu ) / 39168 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( - 1433 \nu^{15} - 12397 \nu^{13} - 57960 \nu^{11} - 347133 \nu^{9} - 1322937 \nu^{7} + \cdots - 381248 \nu ) / 195840 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( - 7839 \nu^{15} - 68923 \nu^{13} - 332040 \nu^{11} - 1987899 \nu^{9} - 7704783 \nu^{7} + \cdots - 4298432 \nu ) / 652800 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( 6439 \nu^{15} + 52163 \nu^{13} + 235560 \nu^{11} + 1462179 \nu^{9} + 5282103 \nu^{7} + \cdots + 1757632 \nu ) / 391680 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{15} - \beta_{13} + \beta_{12} + \beta_{9} - \beta_{7} - 2\beta_{6} - \beta_{5} ) / 4 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( -3\beta_{11} + 2\beta_{10} - 5\beta_{8} - 3\beta_{4} - 3\beta_{3} + 3\beta _1 - 5 ) / 4 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -2\beta_{15} - 2\beta_{14} + 5\beta_{13} - \beta_{12} + 2\beta_{9} + 10\beta_{7} + 2\beta_{6} + 2\beta_{5} ) / 2 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( -9\beta_{11} - \beta_{8} + 33\beta_{4} + 9\beta_{3} + 18\beta_{2} - 9\beta _1 + 1 ) / 4 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( -33\beta_{15} - 10\beta_{14} - 33\beta_{13} - 63\beta_{12} - 11\beta_{9} - 63\beta_{7} - 33\beta_{5} ) / 4 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( 45\beta_{11} - 40\beta_{10} + 20\beta_{8} - 45\beta_{4} + 45\beta_{3} - 40\beta_{2} + 36\beta _1 - 81 ) / 2 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( -17\beta_{15} + 17\beta_{13} + 143\beta_{12} - 17\beta_{9} - 143\beta_{7} + 182\beta_{6} + 389\beta_{5} ) / 4 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( 255\beta_{11} + 126\beta_{10} + 697\beta_{8} + 255\beta_{4} - 537\beta_{3} - 255\beta _1 + 697 ) / 4 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( 646 \beta_{15} + 578 \beta_{14} - 85 \beta_{13} + 289 \beta_{12} - 646 \beta_{9} - 190 \beta_{7} + \cdots - 646 \beta_{5} ) / 2 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( -891\beta_{11} - 3203\beta_{8} - 3597\beta_{4} + 891\beta_{3} - 1210\beta_{2} - 891\beta _1 + 3203 ) / 4 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( 693\beta_{15} - 4094\beta_{14} + 693\beta_{13} + 5643\beta_{12} + 9847\beta_{9} + 5643\beta_{7} + 693\beta_{5} ) / 4 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( ( - 7245 \beta_{11} + 6480 \beta_{10} - 3240 \beta_{8} + 7245 \beta_{4} - 7245 \beta_{3} + 6480 \beta_{2} + \cdots - 7567 ) / 2 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( - 21347 \beta_{15} + 21347 \beta_{13} - 47267 \beta_{12} - 21347 \beta_{9} + 47267 \beta_{7} + \cdots - 20305 \beta_{5} ) / 4 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( 21957\beta_{11} - 68614\beta_{10} - 19517\beta_{8} + 21957\beta_{4} + 131469\beta_{3} - 21957\beta _1 - 19517 ) / 4 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( - 60698 \beta_{15} - 54290 \beta_{14} - 83875 \beta_{13} - 27145 \beta_{12} + 60698 \beta_{9} + \cdots + 60698 \beta_{5} ) / 2 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2112\mathbb{Z}\right)^\times\).

\(n\) \(133\) \(1409\) \(1729\) \(2047\)
\(\chi(n)\) \(-1\) \(-1\) \(1\) \(-1\)

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.

comment: embeddings in the coefficient field
 
gp: mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
287.1
0.676408 0.553538i
−0.369600 + 2.25820i
0.676408 + 0.553538i
−0.369600 2.25820i
1.77086 + 1.44918i
−0.141174 0.862555i
1.77086 1.44918i
−0.141174 + 0.862555i
−1.77086 + 1.44918i
0.141174 0.862555i
−1.77086 1.44918i
0.141174 + 0.862555i
−0.676408 0.553538i
0.369600 + 2.25820i
−0.676408 + 0.553538i
0.369600 2.25820i
0 −1.62968 0.586627i 0 −2.40932 0 1.23607i 0 2.31174 + 1.91203i 0
287.2 0 −1.62968 0.586627i 0 4.40932 0 3.23607i 0 2.31174 + 1.91203i 0
287.3 0 −1.62968 + 0.586627i 0 −2.40932 0 1.23607i 0 2.31174 1.91203i 0
287.4 0 −1.62968 + 0.586627i 0 4.40932 0 3.23607i 0 2.31174 1.91203i 0
287.5 0 −0.306808 1.70466i 0 −0.173254 0 3.23607i 0 −2.81174 + 1.04601i 0
287.6 0 −0.306808 1.70466i 0 2.17325 0 1.23607i 0 −2.81174 + 1.04601i 0
287.7 0 −0.306808 + 1.70466i 0 −0.173254 0 3.23607i 0 −2.81174 1.04601i 0
287.8 0 −0.306808 + 1.70466i 0 2.17325 0 1.23607i 0 −2.81174 1.04601i 0
287.9 0 0.306808 1.70466i 0 −0.173254 0 3.23607i 0 −2.81174 1.04601i 0
287.10 0 0.306808 1.70466i 0 2.17325 0 1.23607i 0 −2.81174 1.04601i 0
287.11 0 0.306808 + 1.70466i 0 −0.173254 0 3.23607i 0 −2.81174 + 1.04601i 0
287.12 0 0.306808 + 1.70466i 0 2.17325 0 1.23607i 0 −2.81174 + 1.04601i 0
287.13 0 1.62968 0.586627i 0 −2.40932 0 1.23607i 0 2.31174 1.91203i 0
287.14 0 1.62968 0.586627i 0 4.40932 0 3.23607i 0 2.31174 1.91203i 0
287.15 0 1.62968 + 0.586627i 0 −2.40932 0 1.23607i 0 2.31174 + 1.91203i 0
287.16 0 1.62968 + 0.586627i 0 4.40932 0 3.23607i 0 2.31174 + 1.91203i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 287.16
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
4.b odd 2 1 inner
24.f even 2 1 inner
24.h odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2112.2.k.l yes 16
3.b odd 2 1 2112.2.k.k 16
4.b odd 2 1 inner 2112.2.k.l yes 16
8.b even 2 1 2112.2.k.k 16
8.d odd 2 1 2112.2.k.k 16
12.b even 2 1 2112.2.k.k 16
24.f even 2 1 inner 2112.2.k.l yes 16
24.h odd 2 1 inner 2112.2.k.l yes 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
2112.2.k.k 16 3.b odd 2 1
2112.2.k.k 16 8.b even 2 1
2112.2.k.k 16 8.d odd 2 1
2112.2.k.k 16 12.b even 2 1
2112.2.k.l yes 16 1.a even 1 1 trivial
2112.2.k.l yes 16 4.b odd 2 1 inner
2112.2.k.l yes 16 24.f even 2 1 inner
2112.2.k.l yes 16 24.h odd 2 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(2112, [\chi])\):

\( T_{5}^{4} - 4T_{5}^{3} - 7T_{5}^{2} + 22T_{5} + 4 \) Copy content Toggle raw display
\( T_{19}^{8} - 60T_{19}^{6} + 512T_{19}^{4} - 960T_{19}^{2} + 256 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} \) Copy content Toggle raw display
$3$ \( (T^{8} + T^{6} - 8 T^{4} + \cdots + 81)^{2} \) Copy content Toggle raw display
$5$ \( (T^{4} - 4 T^{3} - 7 T^{2} + \cdots + 4)^{4} \) Copy content Toggle raw display
$7$ \( (T^{4} + 12 T^{2} + 16)^{4} \) Copy content Toggle raw display
$11$ \( (T^{2} + 1)^{8} \) Copy content Toggle raw display
$13$ \( (T^{4} + 20 T^{2} + 16)^{4} \) Copy content Toggle raw display
$17$ \( (T^{8} + 84 T^{6} + \cdots + 102400)^{2} \) Copy content Toggle raw display
$19$ \( (T^{8} - 60 T^{6} + \cdots + 256)^{2} \) Copy content Toggle raw display
$23$ \( (T^{8} - 98 T^{6} + \cdots + 16)^{2} \) Copy content Toggle raw display
$29$ \( T^{16} \) Copy content Toggle raw display
$31$ \( (T^{8} + 162 T^{6} + \cdots + 160000)^{2} \) Copy content Toggle raw display
$37$ \( (T^{8} + 174 T^{6} + \cdots + 6400)^{2} \) Copy content Toggle raw display
$41$ \( (T^{8} + 180 T^{6} + \cdots + 65536)^{2} \) Copy content Toggle raw display
$43$ \( (T^{8} - 240 T^{6} + \cdots + 2027776)^{2} \) Copy content Toggle raw display
$47$ \( (T^{8} - 252 T^{6} + \cdots + 2611456)^{2} \) Copy content Toggle raw display
$53$ \( (T^{4} + 2 T^{3} + \cdots + 400)^{4} \) Copy content Toggle raw display
$59$ \( (T^{8} + 282 T^{6} + \cdots + 10758400)^{2} \) Copy content Toggle raw display
$61$ \( (T^{8} + 372 T^{6} + \cdots + 14258176)^{2} \) Copy content Toggle raw display
$67$ \( (T^{8} - 126 T^{6} + \cdots + 32400)^{2} \) Copy content Toggle raw display
$71$ \( (T^{8} - 378 T^{6} + \cdots + 8271376)^{2} \) Copy content Toggle raw display
$73$ \( (T^{4} + 14 T^{3} + \cdots - 6320)^{4} \) Copy content Toggle raw display
$79$ \( (T^{8} + 180 T^{6} + \cdots + 20736)^{2} \) Copy content Toggle raw display
$83$ \( (T^{8} + 504 T^{6} + \cdots + 48664576)^{2} \) Copy content Toggle raw display
$89$ \( (T^{8} + 350 T^{6} + \cdots + 65536)^{2} \) Copy content Toggle raw display
$97$ \( (T^{4} + 22 T^{3} + \cdots - 1844)^{4} \) Copy content Toggle raw display
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