Properties

Label 111.3.d.a
Level $111$
Weight $3$
Character orbit 111.d
Self dual yes
Analytic conductor $3.025$
Analytic rank $0$
Dimension $4$
CM discriminant -111
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [111,3,Mod(110,111)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(111, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 1]))
 
N = Newforms(chi, 3, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("111.110");
 
S:= CuspForms(chi, 3);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 111 = 3 \cdot 37 \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 111.d (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: yes
Analytic conductor: \(3.02453093440\)
Analytic rank: \(0\)
Dimension: \(4\)
Coefficient field: 4.4.65712.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - 7x^{2} + 3 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 2^{2} \)
Twist minimal: yes
Sato-Tate group: $\mathrm{U}(1)[D_{2}]$

$q$-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 \(1,\beta_1,\beta_2,\beta_3\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta_{2} q^{2} - 3 q^{3} + ( - \beta_{3} + 4) q^{4} + ( - 2 \beta_{2} - \beta_1) q^{5} + 3 \beta_{2} q^{6} + 2 \beta_{3} q^{7} + ( - 5 \beta_{2} + 3 \beta_1) q^{8} + 9 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{2} q^{2} - 3 q^{3} + ( - \beta_{3} + 4) q^{4} + ( - 2 \beta_{2} - \beta_1) q^{5} + 3 \beta_{2} q^{6} + 2 \beta_{3} q^{7} + ( - 5 \beta_{2} + 3 \beta_1) q^{8} + 9 q^{9} + ( - \beta_{3} + 17) q^{10} + (3 \beta_{3} - 12) q^{12} + (10 \beta_{2} - 6 \beta_1) q^{14} + (6 \beta_{2} + 3 \beta_1) q^{15} + ( - 4 \beta_{3} + 21) q^{16} + (6 \beta_{2} - 5 \beta_1) q^{17} - 9 \beta_{2} q^{18} + ( - 14 \beta_{2} + 7 \beta_1) q^{20} - 6 \beta_{3} q^{21} + (6 \beta_{2} + 7 \beta_1) q^{23} + (15 \beta_{2} - 9 \beta_1) q^{24} + (2 \beta_{3} + 25) q^{25} - 27 q^{27} + (8 \beta_{3} - 74) q^{28} + ( - 2 \beta_{2} + 11 \beta_1) q^{29} + (3 \beta_{3} - 51) q^{30} - 21 \beta_{2} q^{32} + (11 \beta_{3} - 43) q^{34} + (12 \beta_{2} - 22 \beta_1) q^{35} + ( - 9 \beta_{3} + 36) q^{36} + 37 q^{37} + ( - 17 \beta_{3} + 37) q^{40} + ( - 30 \beta_{2} + 18 \beta_1) q^{42} + ( - 18 \beta_{2} - 9 \beta_1) q^{45} + ( - \beta_{3} - 55) q^{46} + (12 \beta_{3} - 63) q^{48} + 99 q^{49} + ( - 15 \beta_{2} - 6 \beta_1) q^{50} + ( - 18 \beta_{2} + 15 \beta_1) q^{51} + 27 \beta_{2} q^{54} + 74 \beta_{2} q^{56} + ( - 13 \beta_{3} + 5) q^{58} + ( - 18 \beta_{2} + 19 \beta_1) q^{59} + (42 \beta_{2} - 21 \beta_1) q^{60} + 18 \beta_{3} q^{63} + ( - 5 \beta_{3} + 84) q^{64} - 22 \beta_{3} q^{67} + (74 \beta_{2} - 13 \beta_1) q^{68} + ( - 18 \beta_{2} - 21 \beta_1) q^{69} + (34 \beta_{3} - 74) q^{70} + ( - 45 \beta_{2} + 27 \beta_1) q^{72} + 2 \beta_{3} q^{73} - 37 \beta_{2} q^{74} + ( - 6 \beta_{3} - 75) q^{75} + ( - 66 \beta_{2} + 23 \beta_1) q^{80} + 81 q^{81} + ( - 24 \beta_{3} + 222) q^{84} + (26 \beta_{3} - 22) q^{85} + (6 \beta_{2} - 33 \beta_1) q^{87} + (38 \beta_{2} + 15 \beta_1) q^{89} + ( - 9 \beta_{3} + 153) q^{90} + (26 \beta_{2} - 25 \beta_1) q^{92} + 63 \beta_{2} q^{96} - 99 \beta_{2} q^{98}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q - 12 q^{3} + 16 q^{4} + 36 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 4 q - 12 q^{3} + 16 q^{4} + 36 q^{9} + 68 q^{10} - 48 q^{12} + 84 q^{16} + 100 q^{25} - 108 q^{27} - 296 q^{28} - 204 q^{30} - 172 q^{34} + 144 q^{36} + 148 q^{37} + 148 q^{40} - 220 q^{46} - 252 q^{48} + 396 q^{49} + 20 q^{58} + 336 q^{64} - 296 q^{70} - 300 q^{75} + 324 q^{81} + 888 q^{84} - 88 q^{85} + 612 q^{90}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{4} - 7x^{2} + 3 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( 2\nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \nu^{3} - 6\nu \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( 2\nu^{2} - 7 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{3} + 7 ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( \beta_{2} + 3\beta_1 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/111\mathbb{Z}\right)^\times\).

\(n\) \(38\) \(76\)
\(\chi(n)\) \(-1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
110.1
−0.677214
2.55761
−2.55761
0.677214
−3.75270 −3.00000 10.0828 −6.15097 11.2581 −12.1655 −22.8268 9.00000 23.0828
110.2 −1.38464 −3.00000 −2.08276 −7.88451 4.15393 12.1655 8.42246 9.00000 10.9172
110.3 1.38464 −3.00000 −2.08276 7.88451 −4.15393 12.1655 −8.42246 9.00000 10.9172
110.4 3.75270 −3.00000 10.0828 6.15097 −11.2581 −12.1655 22.8268 9.00000 23.0828
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
111.d odd 2 1 CM by \(\Q(\sqrt{-111}) \)
3.b odd 2 1 inner
37.b even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 111.3.d.a 4
3.b odd 2 1 inner 111.3.d.a 4
37.b even 2 1 inner 111.3.d.a 4
111.d odd 2 1 CM 111.3.d.a 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
111.3.d.a 4 1.a even 1 1 trivial
111.3.d.a 4 3.b odd 2 1 inner
111.3.d.a 4 37.b even 2 1 inner
111.3.d.a 4 111.d odd 2 1 CM

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{4} - 16T_{2}^{2} + 27 \) acting on \(S_{3}^{\mathrm{new}}(111, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} - 16T^{2} + 27 \) Copy content Toggle raw display
$3$ \( (T + 3)^{4} \) Copy content Toggle raw display
$5$ \( T^{4} - 100T^{2} + 2352 \) Copy content Toggle raw display
$7$ \( (T^{2} - 148)^{2} \) Copy content Toggle raw display
$11$ \( T^{4} \) Copy content Toggle raw display
$13$ \( T^{4} \) Copy content Toggle raw display
$17$ \( T^{4} - 1156 T^{2} + 255792 \) Copy content Toggle raw display
$19$ \( T^{4} \) Copy content Toggle raw display
$23$ \( T^{4} - 2116 T^{2} + 330672 \) Copy content Toggle raw display
$29$ \( T^{4} - 3364 T^{2} + 1436592 \) Copy content Toggle raw display
$31$ \( T^{4} \) Copy content Toggle raw display
$37$ \( (T - 37)^{4} \) Copy content Toggle raw display
$41$ \( T^{4} \) Copy content Toggle raw display
$43$ \( T^{4} \) Copy content Toggle raw display
$47$ \( T^{4} \) Copy content Toggle raw display
$53$ \( T^{4} \) Copy content Toggle raw display
$59$ \( T^{4} - 13924 T^{2} + 45442992 \) Copy content Toggle raw display
$61$ \( T^{4} \) Copy content Toggle raw display
$67$ \( (T^{2} - 17908)^{2} \) Copy content Toggle raw display
$71$ \( T^{4} \) Copy content Toggle raw display
$73$ \( (T^{2} - 148)^{2} \) Copy content Toggle raw display
$79$ \( T^{4} \) Copy content Toggle raw display
$83$ \( T^{4} \) Copy content Toggle raw display
$89$ \( T^{4} - 31684 T^{2} + 250180272 \) Copy content Toggle raw display
$97$ \( T^{4} \) Copy content Toggle raw display
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