Properties

Label 1890.2.i.h
Level $1890$
Weight $2$
Character orbit 1890.i
Analytic conductor $15.092$
Analytic rank $0$
Dimension $12$
CM no
Inner twists $2$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1890,2,Mod(991,1890)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1890, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([4, 0, 4]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1890.991");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1890 = 2 \cdot 3^{3} \cdot 5 \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1890.i (of order \(3\), degree \(2\), not 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: \(15.0917259820\)
Analytic rank: \(0\)
Dimension: \(12\)
Relative dimension: \(6\) over \(\Q(\zeta_{3})\)
Coefficient field: 12.0.91830304992969.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{12} - 2x^{11} + x^{10} + 4x^{9} - 7x^{8} + x^{7} + 7x^{6} + 2x^{5} - 28x^{4} + 32x^{3} + 16x^{2} - 64x + 64 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 3^{6} \)
Twist minimal: no (minimal twist has level 630)
Sato-Tate group: $\mathrm{SU}(2)[C_{3}]$

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

\(f(q)\) \(=\) \( q + q^{2} + q^{4} + (\beta_{4} + 1) q^{5} + ( - \beta_{10} - \beta_{4} - \beta_1) q^{7} + q^{8}+O(q^{10}) \) Copy content Toggle raw display \( q + q^{2} + q^{4} + (\beta_{4} + 1) q^{5} + ( - \beta_{10} - \beta_{4} - \beta_1) q^{7} + q^{8} + (\beta_{4} + 1) q^{10} + ( - \beta_{5} - \beta_{4}) q^{11} + (\beta_{11} + \beta_{10} + \cdots + \beta_1) q^{13}+ \cdots + (\beta_{11} - 2 \beta_{9} - 2 \beta_1 + 1) q^{98}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 12 q + 12 q^{2} + 12 q^{4} + 6 q^{5} + 4 q^{7} + 12 q^{8}+O(q^{10}) \) Copy content Toggle raw display \( 12 q + 12 q^{2} + 12 q^{4} + 6 q^{5} + 4 q^{7} + 12 q^{8} + 6 q^{10} + 7 q^{11} - 2 q^{13} + 4 q^{14} + 12 q^{16} - q^{17} - 2 q^{19} + 6 q^{20} + 7 q^{22} + 9 q^{23} - 6 q^{25} - 2 q^{26} + 4 q^{28} - 3 q^{29} + 18 q^{31} + 12 q^{32} - q^{34} + 8 q^{35} + 6 q^{37} - 2 q^{38} + 6 q^{40} + 11 q^{41} + 23 q^{43} + 7 q^{44} + 9 q^{46} + 2 q^{47} + 24 q^{49} - 6 q^{50} - 2 q^{52} + 4 q^{53} + 14 q^{55} + 4 q^{56} - 3 q^{58} + 22 q^{59} + 50 q^{61} + 18 q^{62} + 12 q^{64} - 4 q^{65} + 4 q^{67} - q^{68} + 8 q^{70} - 22 q^{71} + 24 q^{73} + 6 q^{74} - 2 q^{76} + 11 q^{77} + 2 q^{79} + 6 q^{80} + 11 q^{82} - 4 q^{83} + q^{85} + 23 q^{86} + 7 q^{88} - 2 q^{89} - 8 q^{91} + 9 q^{92} + 2 q^{94} - 4 q^{95} - 36 q^{97} + 24 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{12} - 2x^{11} + x^{10} + 4x^{9} - 7x^{8} + x^{7} + 7x^{6} + 2x^{5} - 28x^{4} + 32x^{3} + 16x^{2} - 64x + 64 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( - 5 \nu^{11} - 2 \nu^{10} + 11 \nu^{9} - 16 \nu^{8} - 5 \nu^{7} + 15 \nu^{6} - 7 \nu^{5} - 70 \nu^{4} + \cdots + 96 ) / 96 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{11} - 2 \nu^{10} + \nu^{9} + 4 \nu^{8} - 7 \nu^{7} + \nu^{6} + 7 \nu^{5} + 2 \nu^{4} - 28 \nu^{3} + \cdots - 64 ) / 32 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( - \nu^{11} + \nu^{10} + \nu^{9} - 5 \nu^{8} + 3 \nu^{7} + 6 \nu^{6} - 8 \nu^{5} - 9 \nu^{4} + \cdots + 48 ) / 16 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 3 \nu^{11} - 11 \nu^{10} + 13 \nu^{9} - \nu^{8} - \nu^{7} - 2 \nu^{6} + 24 \nu^{5} + 11 \nu^{4} + \cdots - 16 ) / 144 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 27 \nu^{11} - 26 \nu^{10} + 31 \nu^{9} + 32 \nu^{8} - \nu^{7} - 41 \nu^{6} - 27 \nu^{5} + 134 \nu^{4} + \cdots + 320 ) / 288 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 3 \nu^{11} - 10 \nu^{10} + 23 \nu^{9} - 32 \nu^{8} + 7 \nu^{7} - \nu^{6} - 3 \nu^{5} - 26 \nu^{4} + \cdots + 352 ) / 96 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( \nu^{11} - 5 \nu^{10} - \nu^{9} + 5 \nu^{8} - 11 \nu^{7} - 6 \nu^{6} + 20 \nu^{5} + 41 \nu^{4} + \cdots - 96 ) / 48 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 3 \nu^{11} - 38 \nu^{10} + 139 \nu^{9} - 172 \nu^{8} + 35 \nu^{7} + 187 \nu^{6} - 3 \nu^{5} + \cdots + 1568 ) / 288 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( - 3 \nu^{11} + 23 \nu^{10} - 37 \nu^{9} + 25 \nu^{8} + 25 \nu^{7} - 22 \nu^{6} - 60 \nu^{5} + \cdots - 176 ) / 144 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( - 9 \nu^{11} + 35 \nu^{10} - 49 \nu^{9} + 13 \nu^{8} + 37 \nu^{7} - 4 \nu^{6} - 36 \nu^{5} + \cdots - 32 ) / 144 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( 21 \nu^{11} - 76 \nu^{10} + 77 \nu^{9} - 38 \nu^{8} - 71 \nu^{7} + 35 \nu^{6} + 69 \nu^{5} + \cdots + 352 ) / 288 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -\beta_{10} - \beta_{9} - \beta_{6} - 2\beta_{4} - 2\beta_{2} - \beta _1 - 1 ) / 3 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( -\beta_{11} - \beta_{10} - 2\beta_{9} - \beta_{8} + 2\beta_{3} - 2\beta_1 ) / 3 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( 2\beta_{10} - \beta_{9} + \beta_{7} + 2\beta_{5} + 2\beta _1 - 3 ) / 3 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( - 2 \beta_{11} + \beta_{10} + 2 \beta_{9} + \beta_{8} + 4 \beta_{7} + \beta_{6} + 2 \beta_{5} + \cdots + 1 ) / 3 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 5\beta_{10} - \beta_{9} + 3\beta_{8} + \beta_{7} - \beta_{5} + 3\beta_{4} - 6\beta_{3} + 2\beta _1 + 3 ) / 3 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( 6 \beta_{11} + 3 \beta_{9} + 6 \beta_{8} - \beta_{7} - 10 \beta_{6} - 2 \beta_{5} - 5 \beta_{4} + \cdots + 2 ) / 3 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 3 \beta_{11} - \beta_{10} - \beta_{9} - 6 \beta_{7} - 7 \beta_{6} - 3 \beta_{5} + 19 \beta_{4} + \cdots - 7 ) / 3 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( - 7 \beta_{11} - 4 \beta_{10} - 2 \beta_{9} - 4 \beta_{8} - 4 \beta_{7} - 7 \beta_{6} + 4 \beta_{5} + \cdots + 32 ) / 3 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( - 21 \beta_{11} - 13 \beta_{10} - \beta_{9} + 6 \beta_{8} + 6 \beta_{7} - 4 \beta_{6} + 12 \beta_{5} + \cdots - 4 ) / 3 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( - 35 \beta_{11} - 14 \beta_{10} - 10 \beta_{9} + 4 \beta_{8} + 2 \beta_{7} + 14 \beta_{6} + \beta_{5} + \cdots + 14 ) / 3 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( 30 \beta_{11} + 29 \beta_{10} + 2 \beta_{9} + 21 \beta_{8} - 14 \beta_{7} + 3 \beta_{6} + 14 \beta_{5} + \cdots - 78 ) / 3 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1890\mathbb{Z}\right)^\times\).

\(n\) \(757\) \(1081\) \(1541\)
\(\chi(n)\) \(1\) \(\beta_{4}\) \(\beta_{4}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
991.1
−0.989378 + 1.01051i
1.36982 0.351572i
1.04029 + 0.958022i
0.309529 + 1.37992i
0.683706 1.23796i
−1.41396 0.0268737i
−0.989378 1.01051i
1.36982 + 0.351572i
1.04029 0.958022i
0.309529 1.37992i
0.683706 + 1.23796i
−1.41396 + 0.0268737i
1.00000 0 1.00000 0.500000 0.866025i 0 −2.56238 + 0.658939i 1.00000 0 0.500000 0.866025i
991.2 1.00000 0 1.00000 0.500000 0.866025i 0 −2.56238 + 0.658939i 1.00000 0 0.500000 0.866025i
991.3 1.00000 0 1.00000 0.500000 0.866025i 0 1.23855 + 2.33795i 1.00000 0 0.500000 0.866025i
991.4 1.00000 0 1.00000 0.500000 0.866025i 0 1.23855 + 2.33795i 1.00000 0 0.500000 0.866025i
991.5 1.00000 0 1.00000 0.500000 0.866025i 0 2.32383 1.26483i 1.00000 0 0.500000 0.866025i
991.6 1.00000 0 1.00000 0.500000 0.866025i 0 2.32383 1.26483i 1.00000 0 0.500000 0.866025i
1171.1 1.00000 0 1.00000 0.500000 + 0.866025i 0 −2.56238 0.658939i 1.00000 0 0.500000 + 0.866025i
1171.2 1.00000 0 1.00000 0.500000 + 0.866025i 0 −2.56238 0.658939i 1.00000 0 0.500000 + 0.866025i
1171.3 1.00000 0 1.00000 0.500000 + 0.866025i 0 1.23855 2.33795i 1.00000 0 0.500000 + 0.866025i
1171.4 1.00000 0 1.00000 0.500000 + 0.866025i 0 1.23855 2.33795i 1.00000 0 0.500000 + 0.866025i
1171.5 1.00000 0 1.00000 0.500000 + 0.866025i 0 2.32383 + 1.26483i 1.00000 0 0.500000 + 0.866025i
1171.6 1.00000 0 1.00000 0.500000 + 0.866025i 0 2.32383 + 1.26483i 1.00000 0 0.500000 + 0.866025i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 991.6
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
63.h even 3 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1890.2.i.h 12
3.b odd 2 1 630.2.i.f 12
7.c even 3 1 1890.2.l.f 12
9.c even 3 1 1890.2.l.f 12
9.d odd 6 1 630.2.l.h yes 12
21.h odd 6 1 630.2.l.h yes 12
63.h even 3 1 inner 1890.2.i.h 12
63.j odd 6 1 630.2.i.f 12
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
630.2.i.f 12 3.b odd 2 1
630.2.i.f 12 63.j odd 6 1
630.2.l.h yes 12 9.d odd 6 1
630.2.l.h yes 12 21.h odd 6 1
1890.2.i.h 12 1.a even 1 1 trivial
1890.2.i.h 12 63.h even 3 1 inner
1890.2.l.f 12 7.c even 3 1
1890.2.l.f 12 9.c even 3 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(1890, [\chi])\):

\( T_{11}^{12} - 7 T_{11}^{11} + 57 T_{11}^{10} - 208 T_{11}^{9} + 1120 T_{11}^{8} - 3390 T_{11}^{7} + \cdots + 531441 \) Copy content Toggle raw display
\( T_{13}^{12} + 2 T_{13}^{11} + 34 T_{13}^{10} - 28 T_{13}^{9} + 808 T_{13}^{8} - 67 T_{13}^{7} + 4072 T_{13}^{6} + \cdots + 9 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T - 1)^{12} \) Copy content Toggle raw display
$3$ \( T^{12} \) Copy content Toggle raw display
$5$ \( (T^{2} - T + 1)^{6} \) Copy content Toggle raw display
$7$ \( (T^{6} - 2 T^{5} + \cdots + 343)^{2} \) Copy content Toggle raw display
$11$ \( T^{12} - 7 T^{11} + \cdots + 531441 \) Copy content Toggle raw display
$13$ \( T^{12} + 2 T^{11} + \cdots + 9 \) Copy content Toggle raw display
$17$ \( T^{12} + T^{11} + \cdots + 49660209 \) Copy content Toggle raw display
$19$ \( T^{12} + 2 T^{11} + \cdots + 9 \) Copy content Toggle raw display
$23$ \( T^{12} - 9 T^{11} + \cdots + 59049 \) Copy content Toggle raw display
$29$ \( T^{12} + 3 T^{11} + \cdots + 531441 \) Copy content Toggle raw display
$31$ \( (T^{6} - 9 T^{5} + \cdots + 109)^{2} \) Copy content Toggle raw display
$37$ \( T^{12} - 6 T^{11} + \cdots + 32137561 \) Copy content Toggle raw display
$41$ \( T^{12} + \cdots + 44545901481 \) Copy content Toggle raw display
$43$ \( T^{12} - 23 T^{11} + \cdots + 11771761 \) Copy content Toggle raw display
$47$ \( (T^{6} - T^{5} - 62 T^{4} + \cdots + 81)^{2} \) Copy content Toggle raw display
$53$ \( T^{12} + \cdots + 503418969 \) Copy content Toggle raw display
$59$ \( (T^{6} - 11 T^{5} + \cdots + 276399)^{2} \) Copy content Toggle raw display
$61$ \( (T^{6} - 25 T^{5} + \cdots - 3821)^{2} \) Copy content Toggle raw display
$67$ \( (T^{6} - 2 T^{5} + \cdots + 21339)^{2} \) Copy content Toggle raw display
$71$ \( (T^{6} + 11 T^{5} + \cdots + 27)^{2} \) Copy content Toggle raw display
$73$ \( T^{12} - 24 T^{11} + \cdots + 1 \) Copy content Toggle raw display
$79$ \( (T^{6} - T^{5} + \cdots + 247267)^{2} \) Copy content Toggle raw display
$83$ \( T^{12} + \cdots + 130439241 \) Copy content Toggle raw display
$89$ \( T^{12} + 2 T^{11} + \cdots + 4549689 \) Copy content Toggle raw display
$97$ \( (T^{6} + 18 T^{5} + \cdots + 49)^{2} \) Copy content Toggle raw display
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