Properties

Label 75.12.e.a
Level $75$
Weight $12$
Character orbit 75.e
Analytic conductor $57.626$
Analytic rank $0$
Dimension $4$
CM discriminant -3
Inner twists $8$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [75,12,Mod(32,75)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(75, base_ring=CyclotomicField(4))
 
chi = DirichletCharacter(H, H._module([2, 1]))
 
N = Newforms(chi, 12, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("75.32");
 
S:= CuspForms(chi, 12);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 75 = 3 \cdot 5^{2} \)
Weight: \( k \) \(=\) \( 12 \)
Character orbit: \([\chi]\) \(=\) 75.e (of order \(4\), 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: \(57.6257385420\)
Analytic rank: \(0\)
Dimension: \(4\)
Relative dimension: \(2\) over \(\Q(i)\)
Coefficient field: \(\Q(i, \sqrt{6})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} + 9 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{U}(1)[D_{4}]$

$q$-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.

\(f(q)\) \(=\) \( q - 243 \beta_{3} q^{3} + 2048 \beta_{2} q^{4} - 25807 \beta_1 q^{7} - 177147 \beta_{2} q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - 243 \beta_{3} q^{3} + 2048 \beta_{2} q^{4} - 25807 \beta_1 q^{7} - 177147 \beta_{2} q^{9} + 497664 \beta_1 q^{12} - 839121 \beta_{3} q^{13} - 4194304 q^{16} + 20581901 \beta_{2} q^{19} - 18813303 q^{21} - 43046721 \beta_1 q^{27} - 52852736 \beta_{3} q^{28} - 296476943 q^{31} + 362797056 q^{36} - 181390172 \beta_1 q^{37} - 611719209 \beta_{2} q^{39} + 443502899 \beta_{3} q^{43} + 1019215872 \beta_{3} q^{48} + 20677004 \beta_{2} q^{49} + 1718519808 \beta_1 q^{52} + 5001401943 \beta_1 q^{57} - 12977292913 q^{61} + 4571632629 \beta_{3} q^{63} - 8589934592 \beta_{2} q^{64} - 12289598037 \beta_1 q^{67} + 16957280744 \beta_{3} q^{73} - 42151733248 q^{76} - 32885832404 \beta_{2} q^{79} - 31381059609 q^{81} - 38529644544 \beta_{2} q^{84} - 64965586941 q^{91} + 72043897149 \beta_{3} q^{93} + 92747663173 \beta_1 q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q+O(q^{10}) \) Copy content Toggle raw display \( 4 q - 16777216 q^{16} - 75253212 q^{21} - 1185907772 q^{31} + 1451188224 q^{36} - 51909171652 q^{61} - 168606932992 q^{76} - 125524238436 q^{81} - 259862347764 q^{91}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{4} + 9 \) : Copy content Toggle raw display

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

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/75\mathbb{Z}\right)^\times\).

\(n\) \(26\) \(52\)
\(\chi(n)\) \(-1\) \(\beta_{2}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
32.1
−1.22474 1.22474i
1.22474 + 1.22474i
−1.22474 + 1.22474i
1.22474 1.22474i
0 −297.613 + 297.613i 2048.00i 0 0 31607.0 + 31607.0i 0 177147.i 0
32.2 0 297.613 297.613i 2048.00i 0 0 −31607.0 31607.0i 0 177147.i 0
68.1 0 −297.613 297.613i 2048.00i 0 0 31607.0 31607.0i 0 177147.i 0
68.2 0 297.613 + 297.613i 2048.00i 0 0 −31607.0 + 31607.0i 0 177147.i 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 CM by \(\Q(\sqrt{-3}) \)
5.b even 2 1 inner
5.c odd 4 2 inner
15.d odd 2 1 inner
15.e even 4 2 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 75.12.e.a 4
3.b odd 2 1 CM 75.12.e.a 4
5.b even 2 1 inner 75.12.e.a 4
5.c odd 4 2 inner 75.12.e.a 4
15.d odd 2 1 inner 75.12.e.a 4
15.e even 4 2 inner 75.12.e.a 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
75.12.e.a 4 1.a even 1 1 trivial
75.12.e.a 4 3.b odd 2 1 CM
75.12.e.a 4 5.b even 2 1 inner
75.12.e.a 4 5.c odd 4 2 inner
75.12.e.a 4 15.d odd 2 1 inner
75.12.e.a 4 15.e even 4 2 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2} \) acting on \(S_{12}^{\mathrm{new}}(75, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} \) Copy content Toggle raw display
$3$ \( T^{4} + 31381059609 \) Copy content Toggle raw display
$5$ \( T^{4} \) Copy content Toggle raw display
$7$ \( T^{4} + 39\!\cdots\!09 \) Copy content Toggle raw display
$11$ \( T^{4} \) Copy content Toggle raw display
$13$ \( T^{4} + 44\!\cdots\!29 \) Copy content Toggle raw display
$17$ \( T^{4} \) Copy content Toggle raw display
$19$ \( (T^{2} + 423614648773801)^{2} \) Copy content Toggle raw display
$23$ \( T^{4} \) Copy content Toggle raw display
$29$ \( T^{4} \) Copy content Toggle raw display
$31$ \( (T + 296476943)^{4} \) Copy content Toggle raw display
$37$ \( T^{4} + 97\!\cdots\!04 \) Copy content Toggle raw display
$41$ \( T^{4} \) Copy content Toggle raw display
$43$ \( T^{4} + 34\!\cdots\!09 \) Copy content Toggle raw display
$47$ \( T^{4} \) Copy content Toggle raw display
$53$ \( T^{4} \) Copy content Toggle raw display
$59$ \( T^{4} \) Copy content Toggle raw display
$61$ \( (T + 12977292913)^{4} \) Copy content Toggle raw display
$67$ \( T^{4} + 20\!\cdots\!49 \) Copy content Toggle raw display
$71$ \( T^{4} \) Copy content Toggle raw display
$73$ \( T^{4} + 74\!\cdots\!64 \) Copy content Toggle raw display
$79$ \( (T^{2} + 10\!\cdots\!16)^{2} \) Copy content Toggle raw display
$83$ \( T^{4} \) Copy content Toggle raw display
$89$ \( T^{4} \) Copy content Toggle raw display
$97$ \( T^{4} + 66\!\cdots\!69 \) Copy content Toggle raw display
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