Properties

Label 111.5.d.a
Level $111$
Weight $5$
Character orbit 111.d
Self dual yes
Analytic conductor $11.474$
Analytic rank $0$
Dimension $2$
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] = [111,5,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, 5, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("111.110");
 
S:= CuspForms(chi, 5);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 111 = 3 \cdot 37 \)
Weight: \( k \) \(=\) \( 5 \)
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: \(11.4740659023\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{3}) \)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} - 3 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 1 \)
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 \(\beta = \sqrt{3}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + 3 \beta q^{2} + 9 q^{3} + 11 q^{4} + 28 \beta q^{5} + 27 \beta q^{6} - 50 q^{7} - 15 \beta q^{8} + 81 q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q + 3 \beta q^{2} + 9 q^{3} + 11 q^{4} + 28 \beta q^{5} + 27 \beta q^{6} - 50 q^{7} - 15 \beta q^{8} + 81 q^{9} + 252 q^{10} + 99 q^{12} - 150 \beta q^{14} + 252 \beta q^{15} - 311 q^{16} - 292 \beta q^{17} + 243 \beta q^{18} + 308 \beta q^{20} - 450 q^{21} + 332 \beta q^{23} - 135 \beta q^{24} + 1727 q^{25} + 729 q^{27} - 550 q^{28} - 692 \beta q^{29} + 2268 q^{30} - 693 \beta q^{32} - 2628 q^{34} - 1400 \beta q^{35} + 891 q^{36} + 1369 q^{37} - 1260 q^{40} - 1350 \beta q^{42} + 2268 \beta q^{45} + 2988 q^{46} - 2799 q^{48} + 99 q^{49} + 5181 \beta q^{50} - 2628 \beta q^{51} + 2187 \beta q^{54} + 750 \beta q^{56} - 6228 q^{58} - 3892 \beta q^{59} + 2772 \beta q^{60} - 4050 q^{63} - 1261 q^{64} - 8930 q^{67} - 3212 \beta q^{68} + 2988 \beta q^{69} - 12600 q^{70} - 1215 \beta q^{72} + 10510 q^{73} + 4107 \beta q^{74} + 15543 q^{75} - 8708 \beta q^{80} + 6561 q^{81} - 4950 q^{84} - 24528 q^{85} - 6228 \beta q^{87} + 9132 \beta q^{89} + 20412 q^{90} + 3652 \beta q^{92} - 6237 \beta q^{96} + 297 \beta q^{98} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q + 18 q^{3} + 22 q^{4} - 100 q^{7} + 162 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 2 q + 18 q^{3} + 22 q^{4} - 100 q^{7} + 162 q^{9} + 504 q^{10} + 198 q^{12} - 622 q^{16} - 900 q^{21} + 3454 q^{25} + 1458 q^{27} - 1100 q^{28} + 4536 q^{30} - 5256 q^{34} + 1782 q^{36} + 2738 q^{37} - 2520 q^{40} + 5976 q^{46} - 5598 q^{48} + 198 q^{49} - 12456 q^{58} - 8100 q^{63} - 2522 q^{64} - 17860 q^{67} - 25200 q^{70} + 21020 q^{73} + 31086 q^{75} + 13122 q^{81} - 9900 q^{84} - 49056 q^{85} + 40824 q^{90}+O(q^{100}) \) 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
−1.73205
1.73205
−5.19615 9.00000 11.0000 −48.4974 −46.7654 −50.0000 25.9808 81.0000 252.000
110.2 5.19615 9.00000 11.0000 48.4974 46.7654 −50.0000 −25.9808 81.0000 252.000
\(n\): 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 111.5.d.a 2
3.b odd 2 1 inner 111.5.d.a 2
37.b even 2 1 inner 111.5.d.a 2
111.d odd 2 1 CM 111.5.d.a 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
111.5.d.a 2 1.a even 1 1 trivial
111.5.d.a 2 3.b odd 2 1 inner
111.5.d.a 2 37.b even 2 1 inner
111.5.d.a 2 111.d odd 2 1 CM

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{2} - 27 \) acting on \(S_{5}^{\mathrm{new}}(111, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{2} - 27 \) Copy content Toggle raw display
$3$ \( (T - 9)^{2} \) Copy content Toggle raw display
$5$ \( T^{2} - 2352 \) Copy content Toggle raw display
$7$ \( (T + 50)^{2} \) Copy content Toggle raw display
$11$ \( T^{2} \) Copy content Toggle raw display
$13$ \( T^{2} \) Copy content Toggle raw display
$17$ \( T^{2} - 255792 \) Copy content Toggle raw display
$19$ \( T^{2} \) Copy content Toggle raw display
$23$ \( T^{2} - 330672 \) Copy content Toggle raw display
$29$ \( T^{2} - 1436592 \) Copy content Toggle raw display
$31$ \( T^{2} \) Copy content Toggle raw display
$37$ \( (T - 1369)^{2} \) Copy content Toggle raw display
$41$ \( T^{2} \) Copy content Toggle raw display
$43$ \( T^{2} \) Copy content Toggle raw display
$47$ \( T^{2} \) Copy content Toggle raw display
$53$ \( T^{2} \) Copy content Toggle raw display
$59$ \( T^{2} - 45442992 \) Copy content Toggle raw display
$61$ \( T^{2} \) Copy content Toggle raw display
$67$ \( (T + 8930)^{2} \) Copy content Toggle raw display
$71$ \( T^{2} \) Copy content Toggle raw display
$73$ \( (T - 10510)^{2} \) Copy content Toggle raw display
$79$ \( T^{2} \) Copy content Toggle raw display
$83$ \( T^{2} \) Copy content Toggle raw display
$89$ \( T^{2} - 250180272 \) Copy content Toggle raw display
$97$ \( T^{2} \) Copy content Toggle raw display
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