Properties

Label 3420.2.bc.c
Level $3420$
Weight $2$
Character orbit 3420.bc
Analytic conductor $27.309$
Analytic rank $0$
Dimension $16$
CM no
Inner twists $8$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [3420,2,Mod(449,3420)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3420, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([0, 3, 3, 5]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("3420.449");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 3420 = 2^{2} \cdot 3^{2} \cdot 5 \cdot 19 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 3420.bc (of order \(6\), degree \(2\), 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: \(27.3088374913\)
Analytic rank: \(0\)
Dimension: \(16\)
Relative dimension: \(8\) over \(\Q(\zeta_{6})\)
Coefficient field: 16.0.11007531417600000000.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{16} - 7x^{12} + 48x^{8} - 7x^{4} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{23}]\)
Coefficient ring index: \( 2^{8}\cdot 3^{6} \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{6}]$

$q$-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.

\(f(q)\) \(=\) \( q + (\beta_{14} - \beta_{6}) q^{5} + ( - \beta_{15} + \beta_{13} + \cdots + \beta_{9}) q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q + (\beta_{14} - \beta_{6}) q^{5} + ( - \beta_{15} + \beta_{13} + \cdots + \beta_{9}) q^{7}+ \cdots + (2 \beta_{15} - \beta_{13} + \cdots - 2 \beta_{9}) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q+O(q^{10}) \) Copy content Toggle raw display \( 16 q + 16 q^{19} - 8 q^{25} - 32 q^{49} - 32 q^{55} + 16 q^{61} - 24 q^{79} - 48 q^{85} - 216 q^{91}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 7x^{12} + 48x^{8} - 7x^{4} + 1 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( 7\nu^{12} - 48\nu^{8} + 336\nu^{4} - 49 ) / 48 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -\nu^{15} - 17\nu^{13} + 120\nu^{9} - 816\nu^{5} - 305\nu^{3} + 119\nu ) / 72 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( -15\nu^{12} + 112\nu^{8} - 752\nu^{4} + 217 ) / 48 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 17\nu^{12} - 112\nu^{8} + 752\nu^{4} + 105 ) / 48 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 9\nu^{14} - 64\nu^{10} + 440\nu^{6} - 127\nu^{2} ) / 24 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 19\nu^{14} - 128\nu^{10} + 880\nu^{6} + 123\nu^{2} ) / 48 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( -5\nu^{14} + 36\nu^{10} - 246\nu^{6} + 71\nu^{2} ) / 6 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( -43\nu^{14} + 288\nu^{10} - 1968\nu^{6} - 275\nu^{2} ) / 48 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 9\nu^{15} + 7\nu^{13} - 64\nu^{11} - 48\nu^{9} + 440\nu^{7} + 336\nu^{5} - 127\nu^{3} - 25\nu ) / 24 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( 59\nu^{15} + 55\nu^{13} - 384\nu^{11} - 384\nu^{9} + 2640\nu^{7} + 2640\nu^{5} + 979\nu^{3} - 529\nu ) / 144 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( -19\nu^{15} + 7\nu^{13} + 128\nu^{11} - 48\nu^{9} - 880\nu^{7} + 336\nu^{5} - 123\nu^{3} - 97\nu ) / 48 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( -13\nu^{15} + 19\nu^{13} + 96\nu^{11} - 132\nu^{9} - 660\nu^{7} + 912\nu^{5} + 343\nu^{3} - 97\nu ) / 36 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( 29\nu^{15} + 23\nu^{13} - 208\nu^{11} - 160\nu^{9} + 1424\nu^{7} + 1088\nu^{5} - 411\nu^{3} - 81\nu ) / 48 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( 91\nu^{15} - \nu^{13} - 624\nu^{11} + 4272\nu^{7} - 13\nu^{3} - 233\nu ) / 144 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( -31\nu^{15} + 11\nu^{13} + 208\nu^{11} - 80\nu^{9} - 1424\nu^{7} + 544\nu^{5} - 199\nu^{3} - 157\nu ) / 48 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{12} - 2\beta_{11} - 2\beta_{10} + \beta_{9} - \beta_{2} ) / 6 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{8} - \beta_{7} + 3\beta_{6} - 3\beta_{5} ) / 6 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( \beta_{15} + \beta_{13} + 2\beta_{12} - 2\beta_{11} + 2\beta_{10} - 2\beta_{9} + 7\beta_{2} ) / 6 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( -2\beta_{4} + \beta_{3} + 7\beta _1 + 7 ) / 2 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 3\beta_{15} + 9\beta_{14} - 6\beta_{13} + 10\beta_{12} - 5\beta_{11} - 5\beta_{10} + 10\beta_{9} + 14\beta_{2} ) / 6 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( 8\beta_{8} + 4\beta_{7} + 18\beta_{6} + 9\beta_{5} ) / 3 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 16 \beta_{15} - 24 \beta_{14} - 8 \beta_{13} - 13 \beta_{12} - 26 \beta_{11} + 26 \beta_{10} + \cdots + 13 \beta_{2} ) / 6 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( -7\beta_{4} + 14\beta_{3} + 47\beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( -21\beta_{15} - 21\beta_{13} + 34\beta_{12} + 34\beta_{11} + 34\beta_{10} + 34\beta_{9} + 131\beta_{2} ) / 6 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( 55\beta_{8} + 110\beta_{7} + 123\beta_{6} + 246\beta_{5} ) / 6 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( 55 \beta_{15} - 165 \beta_{14} - 110 \beta_{13} - 178 \beta_{12} - 89 \beta_{11} + 89 \beta_{10} + \cdots - 254 \beta_{2} ) / 6 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( 24\beta_{4} + 24\beta_{3} - 161 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( - 288 \beta_{15} - 432 \beta_{14} + 144 \beta_{13} - 233 \beta_{12} + 466 \beta_{11} + \cdots + 233 \beta_{2} ) / 6 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( -377\beta_{8} + 377\beta_{7} - 843\beta_{6} + 843\beta_{5} ) / 6 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( -377\beta_{15} - 377\beta_{13} - 610\beta_{12} + 610\beta_{11} - 610\beta_{10} + 610\beta_{9} - 2351\beta_{2} ) / 6 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/3420\mathbb{Z}\right)^\times\).

\(n\) \(1711\) \(1901\) \(2737\) \(3061\)
\(\chi(n)\) \(1\) \(-1\) \(-1\) \(-\beta_{1}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
449.1
−1.56290 0.418778i
0.596975 + 0.159959i
0.159959 0.596975i
−0.418778 + 1.56290i
−0.596975 0.159959i
1.56290 + 0.418778i
0.418778 1.56290i
−0.159959 + 0.596975i
0.596975 0.159959i
−1.56290 + 0.418778i
−0.418778 1.56290i
0.159959 + 0.596975i
1.56290 0.418778i
−0.596975 + 0.159959i
−0.159959 0.596975i
0.418778 + 1.56290i
0 0 0 −2.09077 0.792893i 0 1.51387i 0 0 0
449.2 0 0 0 −2.09077 0.792893i 0 3.96336i 0 0 0
449.3 0 0 0 −0.358719 + 2.20711i 0 3.96336i 0 0 0
449.4 0 0 0 −0.358719 + 2.20711i 0 1.51387i 0 0 0
449.5 0 0 0 0.358719 2.20711i 0 3.96336i 0 0 0
449.6 0 0 0 0.358719 2.20711i 0 1.51387i 0 0 0
449.7 0 0 0 2.09077 + 0.792893i 0 1.51387i 0 0 0
449.8 0 0 0 2.09077 + 0.792893i 0 3.96336i 0 0 0
1889.1 0 0 0 −2.09077 + 0.792893i 0 3.96336i 0 0 0
1889.2 0 0 0 −2.09077 + 0.792893i 0 1.51387i 0 0 0
1889.3 0 0 0 −0.358719 2.20711i 0 1.51387i 0 0 0
1889.4 0 0 0 −0.358719 2.20711i 0 3.96336i 0 0 0
1889.5 0 0 0 0.358719 + 2.20711i 0 1.51387i 0 0 0
1889.6 0 0 0 0.358719 + 2.20711i 0 3.96336i 0 0 0
1889.7 0 0 0 2.09077 0.792893i 0 3.96336i 0 0 0
1889.8 0 0 0 2.09077 0.792893i 0 1.51387i 0 0 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 449.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
5.b even 2 1 inner
15.d odd 2 1 inner
19.d odd 6 1 inner
57.f even 6 1 inner
95.h odd 6 1 inner
285.q even 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 3420.2.bc.c 16
3.b odd 2 1 inner 3420.2.bc.c 16
5.b even 2 1 inner 3420.2.bc.c 16
15.d odd 2 1 inner 3420.2.bc.c 16
19.d odd 6 1 inner 3420.2.bc.c 16
57.f even 6 1 inner 3420.2.bc.c 16
95.h odd 6 1 inner 3420.2.bc.c 16
285.q even 6 1 inner 3420.2.bc.c 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
3420.2.bc.c 16 1.a even 1 1 trivial
3420.2.bc.c 16 3.b odd 2 1 inner
3420.2.bc.c 16 5.b even 2 1 inner
3420.2.bc.c 16 15.d odd 2 1 inner
3420.2.bc.c 16 19.d odd 6 1 inner
3420.2.bc.c 16 57.f even 6 1 inner
3420.2.bc.c 16 95.h odd 6 1 inner
3420.2.bc.c 16 285.q even 6 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(3420, [\chi])\):

\( T_{7}^{4} + 18T_{7}^{2} + 36 \) Copy content Toggle raw display
\( T_{11}^{2} + 8 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} \) Copy content Toggle raw display
$3$ \( T^{16} \) Copy content Toggle raw display
$5$ \( (T^{8} + 2 T^{6} + \cdots + 625)^{2} \) Copy content Toggle raw display
$7$ \( (T^{4} + 18 T^{2} + 36)^{4} \) Copy content Toggle raw display
$11$ \( (T^{2} + 8)^{8} \) Copy content Toggle raw display
$13$ \( (T^{8} + 54 T^{6} + \cdots + 104976)^{2} \) Copy content Toggle raw display
$17$ \( (T^{8} + 54 T^{6} + \cdots + 81)^{2} \) Copy content Toggle raw display
$19$ \( (T^{4} - 4 T^{3} + \cdots + 361)^{4} \) Copy content Toggle raw display
$23$ \( (T^{8} + 36 T^{6} + \cdots + 20736)^{2} \) Copy content Toggle raw display
$29$ \( (T^{8} + 18 T^{6} + \cdots + 1296)^{2} \) Copy content Toggle raw display
$31$ \( (T^{4} + 54 T^{2} + 9)^{4} \) Copy content Toggle raw display
$37$ \( (T^{2} - 18)^{8} \) Copy content Toggle raw display
$41$ \( (T^{8} + 162 T^{6} + \cdots + 18974736)^{2} \) Copy content Toggle raw display
$43$ \( (T^{8} - 42 T^{6} + \cdots + 1296)^{2} \) Copy content Toggle raw display
$47$ \( (T^{8} + 54 T^{6} + \cdots + 81)^{2} \) Copy content Toggle raw display
$53$ \( (T^{4} - 81 T^{2} + 6561)^{4} \) Copy content Toggle raw display
$59$ \( (T^{4} + 120 T^{2} + 14400)^{4} \) Copy content Toggle raw display
$61$ \( (T^{2} - 2 T + 4)^{8} \) Copy content Toggle raw display
$67$ \( (T^{8} + 54 T^{6} + \cdots + 104976)^{2} \) Copy content Toggle raw display
$71$ \( (T^{8} + 162 T^{6} + \cdots + 18974736)^{2} \) Copy content Toggle raw display
$73$ \( (T^{4} - 30 T^{2} + 900)^{4} \) Copy content Toggle raw display
$79$ \( (T^{4} + 6 T^{3} + \cdots + 17424)^{4} \) Copy content Toggle raw display
$83$ \( (T^{2} - 27)^{8} \) Copy content Toggle raw display
$89$ \( (T^{8} + 252 T^{6} + \cdots + 168896016)^{2} \) Copy content Toggle raw display
$97$ \( (T^{4} + 90 T^{2} + 8100)^{4} \) Copy content Toggle raw display
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