Properties

Label 1848.2.bg.i
Level $1848$
Weight $2$
Character orbit 1848.bg
Analytic conductor $14.756$
Analytic rank $0$
Dimension $10$
CM no
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1848,2,Mod(529,1848)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1848, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([0, 0, 0, 4, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1848.529");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1848 = 2^{3} \cdot 3 \cdot 7 \cdot 11 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1848.bg (of order \(3\), 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: \(14.7563542935\)
Analytic rank: \(0\)
Dimension: \(10\)
Relative dimension: \(5\) over \(\Q(\zeta_{3})\)
Coefficient field: \(\mathbb{Q}[x]/(x^{10} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{10} - x^{9} + 11x^{8} - 6x^{7} + 95x^{6} - 53x^{5} + 195x^{4} + 124x^{3} + 161x^{2} + 13x + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 3 \)
Twist minimal: yes
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 \(1,\beta_1,\ldots,\beta_{9}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta_{6} q^{3} + \beta_{9} q^{5} + ( - \beta_{9} + \beta_{5} - \beta_{2}) q^{7} + ( - \beta_{6} - 1) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{6} q^{3} + \beta_{9} q^{5} + ( - \beta_{9} + \beta_{5} - \beta_{2}) q^{7} + ( - \beta_{6} - 1) q^{9} - \beta_{6} q^{11} + ( - \beta_{4} + \beta_{3} - 2) q^{13} + \beta_{5} q^{15} + ( - \beta_{9} + \beta_{7} + \cdots + \beta_1) q^{17}+ \cdots - q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 10 q + 5 q^{3} + 2 q^{7} - 5 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 10 q + 5 q^{3} + 2 q^{7} - 5 q^{9} + 5 q^{11} - 12 q^{13} - q^{17} + 5 q^{19} + q^{21} - 9 q^{23} + 3 q^{25} - 10 q^{27} - 6 q^{29} + 2 q^{31} - 5 q^{33} + 36 q^{35} + 5 q^{37} - 6 q^{39} - 36 q^{41} + 26 q^{43} - q^{47} + 4 q^{49} + q^{51} - 8 q^{53} + 10 q^{57} - 5 q^{59} + 12 q^{61} - q^{63} + 8 q^{65} - 14 q^{67} - 18 q^{69} - 10 q^{71} + 6 q^{73} - 3 q^{75} + q^{77} - 6 q^{79} - 5 q^{81} + 12 q^{83} + 12 q^{85} - 3 q^{87} + 20 q^{89} - 2 q^{93} - 14 q^{95} - 34 q^{97} - 10 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{10} - x^{9} + 11x^{8} - 6x^{7} + 95x^{6} - 53x^{5} + 195x^{4} + 124x^{3} + 161x^{2} + 13x + 1 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 5737 \nu^{9} - 19194 \nu^{8} + 93228 \nu^{7} - 180724 \nu^{6} + 775986 \nu^{5} - 1521810 \nu^{4} + \cdots + 259610 ) / 3330759 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 26702 \nu^{9} - 104237 \nu^{8} + 506294 \nu^{7} - 1034097 \nu^{6} + 4214153 \nu^{5} + \cdots + 18465328 ) / 6661518 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 53616 \nu^{9} - 164479 \nu^{8} + 798898 \nu^{7} - 1496039 \nu^{6} + 6649651 \nu^{5} + \cdots - 14830788 ) / 6661518 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 154357 \nu^{9} - 410760 \nu^{8} + 1995120 \nu^{7} - 3797119 \nu^{6} + 16606440 \nu^{5} + \cdots - 17579767 ) / 6661518 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 259610 \nu^{9} - 265347 \nu^{8} + 2874904 \nu^{7} - 1650888 \nu^{6} + 24843674 \nu^{5} + \cdots + 162077 ) / 3330759 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 1241227 \nu^{9} - 1194102 \nu^{8} + 13571695 \nu^{7} - 7050038 \nu^{6} + 117111524 \nu^{5} + \cdots + 15633453 ) / 6661518 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( - 1328171 \nu^{9} + 1355131 \nu^{8} - 14671051 \nu^{7} + 8424745 \nu^{6} - 127111063 \nu^{5} + \cdots - 829579 ) / 6661518 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( - 1507752 \nu^{9} + 1454136 \nu^{8} - 16420793 \nu^{7} + 8247614 \nu^{6} - 141740401 \nu^{5} + \cdots - 18590405 ) / 6661518 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( -\beta_{8} + \beta_{7} - 5\beta_{6} + \beta_{3} - 5 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( -\beta_{4} - \beta_{3} + 7\beta_{2} \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( -2\beta_{9} + 8\beta_{8} - 10\beta_{7} + 39\beta_{6} + 2\beta_{5} - 10\beta_{4} + 2\beta_1 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( -2\beta_{9} - 10\beta_{8} - 12\beta_{7} - 2\beta_{6} + 10\beta_{3} - 55\beta_{2} - 55\beta _1 - 2 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( -22\beta_{5} + 91\beta_{4} - 65\beta_{3} + 22\beta_{2} + 323 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( 26\beta_{9} + 87\beta_{8} + 117\beta_{7} + 14\beta_{6} - 26\beta_{5} + 117\beta_{4} + 453\beta_1 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( 204\beta_{9} - 540\beta_{8} + 800\beta_{7} - 2725\beta_{6} + 540\beta_{3} - 188\beta_{2} - 188\beta _1 - 2725 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( 260\beta_{5} - 1076\beta_{4} - 728\beta_{3} + 3805\beta_{2} + 12 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1848\mathbb{Z}\right)^\times\).

\(n\) \(463\) \(617\) \(673\) \(925\) \(1585\)
\(\chi(n)\) \(1\) \(1\) \(1\) \(1\) \(-1 - \beta_{6}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
529.1
−0.0407067 + 0.0705060i
1.47549 2.55562i
−1.44582 + 2.50423i
0.907555 1.57193i
−0.396516 + 0.686787i
−0.0407067 0.0705060i
1.47549 + 2.55562i
−1.44582 2.50423i
0.907555 + 1.57193i
−0.396516 0.686787i
0 0.500000 0.866025i 0 −1.30205 2.25522i 0 −1.38347 + 2.25522i 0 −0.500000 0.866025i 0
529.2 0 0.500000 0.866025i 0 −1.08009 1.87077i 0 1.87088 + 1.87077i 0 −0.500000 0.866025i 0
529.3 0 0.500000 0.866025i 0 0.296058 + 0.512787i 0 −2.59558 0.512787i 0 −0.500000 0.866025i 0
529.4 0 0.500000 0.866025i 0 0.610298 + 1.05707i 0 2.42541 1.05707i 0 −0.500000 0.866025i 0
529.5 0 0.500000 0.866025i 0 1.47579 + 2.55614i 0 0.682755 2.55614i 0 −0.500000 0.866025i 0
793.1 0 0.500000 + 0.866025i 0 −1.30205 + 2.25522i 0 −1.38347 2.25522i 0 −0.500000 + 0.866025i 0
793.2 0 0.500000 + 0.866025i 0 −1.08009 + 1.87077i 0 1.87088 1.87077i 0 −0.500000 + 0.866025i 0
793.3 0 0.500000 + 0.866025i 0 0.296058 0.512787i 0 −2.59558 + 0.512787i 0 −0.500000 + 0.866025i 0
793.4 0 0.500000 + 0.866025i 0 0.610298 1.05707i 0 2.42541 + 1.05707i 0 −0.500000 + 0.866025i 0
793.5 0 0.500000 + 0.866025i 0 1.47579 2.55614i 0 0.682755 + 2.55614i 0 −0.500000 + 0.866025i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 529.5
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 1848.2.bg.i 10
7.c even 3 1 inner 1848.2.bg.i 10
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1848.2.bg.i 10 1.a even 1 1 trivial
1848.2.bg.i 10 7.c even 3 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{10} + 11T_{5}^{8} + 97T_{5}^{6} - 12T_{5}^{5} + 264T_{5}^{4} - 264T_{5}^{3} + 576T_{5}^{2} - 288T_{5} + 144 \) acting on \(S_{2}^{\mathrm{new}}(1848, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{10} \) Copy content Toggle raw display
$3$ \( (T^{2} - T + 1)^{5} \) Copy content Toggle raw display
$5$ \( T^{10} + 11 T^{8} + \cdots + 144 \) Copy content Toggle raw display
$7$ \( T^{10} - 2 T^{9} + \cdots + 16807 \) Copy content Toggle raw display
$11$ \( (T^{2} - T + 1)^{5} \) Copy content Toggle raw display
$13$ \( (T^{5} + 6 T^{4} - 20 T^{3} + \cdots + 64)^{2} \) Copy content Toggle raw display
$17$ \( T^{10} + T^{9} + \cdots + 37249 \) Copy content Toggle raw display
$19$ \( T^{10} - 5 T^{9} + \cdots + 38192400 \) Copy content Toggle raw display
$23$ \( T^{10} + 9 T^{9} + \cdots + 15896169 \) Copy content Toggle raw display
$29$ \( (T^{5} + 3 T^{4} + \cdots + 1308)^{2} \) Copy content Toggle raw display
$31$ \( T^{10} - 2 T^{9} + \cdots + 2768896 \) Copy content Toggle raw display
$37$ \( T^{10} - 5 T^{9} + \cdots + 620944 \) Copy content Toggle raw display
$41$ \( (T^{5} + 18 T^{4} + \cdots - 52)^{2} \) Copy content Toggle raw display
$43$ \( (T^{5} - 13 T^{4} + \cdots + 2036)^{2} \) Copy content Toggle raw display
$47$ \( T^{10} + \cdots + 1531861321 \) Copy content Toggle raw display
$53$ \( T^{10} + \cdots + 149426176 \) Copy content Toggle raw display
$59$ \( T^{10} + 5 T^{9} + \cdots + 256 \) Copy content Toggle raw display
$61$ \( T^{10} - 12 T^{9} + \cdots + 1296 \) Copy content Toggle raw display
$67$ \( T^{10} + \cdots + 2000951824 \) Copy content Toggle raw display
$71$ \( (T^{5} + 5 T^{4} + \cdots - 1300)^{2} \) Copy content Toggle raw display
$73$ \( T^{10} + \cdots + 1223320576 \) Copy content Toggle raw display
$79$ \( T^{10} + \cdots + 156050064 \) Copy content Toggle raw display
$83$ \( (T^{5} - 6 T^{4} + \cdots + 3408)^{2} \) Copy content Toggle raw display
$89$ \( T^{10} - 20 T^{9} + \cdots + 409600 \) Copy content Toggle raw display
$97$ \( (T^{5} + 17 T^{4} + \cdots - 11123)^{2} \) Copy content Toggle raw display
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