Properties

Label 175.4.f.f
Level $175$
Weight $4$
Character orbit 175.f
Analytic conductor $10.325$
Analytic rank $0$
Dimension $8$
CM discriminant -7
Inner twists $8$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [175,4,Mod(118,175)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(175, base_ring=CyclotomicField(4))
 
chi = DirichletCharacter(H, H._module([3, 2]))
 
N = Newforms(chi, 4, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("175.118");
 
S:= CuspForms(chi, 4);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 175 = 5^{2} \cdot 7 \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 175.f (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: \(10.3253342510\)
Analytic rank: \(0\)
Dimension: \(8\)
Relative dimension: \(4\) over \(\Q(i)\)
Coefficient field: 8.0.12745506816.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} + 23x^{4} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 5^{4} \)
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 \(1,\beta_1,\ldots,\beta_{7}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta_{3} q^{2} + (\beta_{7} + 13 \beta_1) q^{4} + 7 \beta_{2} q^{7} + ( - 8 \beta_{5} + 17 \beta_{4}) q^{8} - 27 \beta_1 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{3} q^{2} + (\beta_{7} + 13 \beta_1) q^{4} + 7 \beta_{2} q^{7} + ( - 8 \beta_{5} + 17 \beta_{4}) q^{8} - 27 \beta_1 q^{9} + (2 \beta_{6} + 33) q^{11} + (7 \beta_{7} + 28 \beta_1) q^{14} + (17 \beta_{6} - 132) q^{16} + 27 \beta_{5} q^{18} + ( - 27 \beta_{3} - 34 \beta_{2}) q^{22} + (8 \beta_{5} - 37 \beta_{4}) q^{23} + ( - 49 \beta_{5} + 63 \beta_{4}) q^{28} + (20 \beta_{7} - 73 \beta_1) q^{29} + (119 \beta_{3} - 153 \beta_{2}) q^{32} + ( - 27 \beta_{6} + 351) q^{36} + ( - 90 \beta_{3} - 47 \beta_{2}) q^{37} + (36 \beta_{5} - 83 \beta_{4}) q^{43} + (9 \beta_{7} + 167 \beta_1) q^{44} + ( - 45 \beta_{6} + 316) q^{46} + 343 \beta_1 q^{49} - 188 \beta_{4} q^{53} + (56 \beta_{6} - 1057) q^{56} + (13 \beta_{5} + 340 \beta_{4}) q^{58} - 189 \beta_{4} q^{63} + ( - 136 \beta_{7} - 2055 \beta_1) q^{64} + (148 \beta_{3} + 227 \beta_{2}) q^{67} + (74 \beta_{6} + 307) q^{71} + ( - 216 \beta_{3} + 459 \beta_{2}) q^{72} + (43 \beta_{7} + 1702 \beta_1) q^{74} + (98 \beta_{3} + 287 \beta_{2}) q^{77} + ( - 18 \beta_{7} + 683 \beta_1) q^{79} - 729 q^{81} + ( - 119 \beta_{6} + 1088) q^{86} + (22 \beta_{5} + 425 \beta_{4}) q^{88} + ( - 387 \beta_{3} + 469 \beta_{2}) q^{92} - 343 \beta_{5} q^{98} + (54 \beta_{7} - 891 \beta_1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q+O(q^{10}) \) Copy content Toggle raw display \( 8 q + 272 q^{11} - 988 q^{16} + 2700 q^{36} + 2348 q^{46} - 8232 q^{56} + 2752 q^{71} - 5832 q^{81} + 8228 q^{86}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{8} + 23x^{4} + 1 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( \nu^{6} + 24\nu^{2} ) / 5 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{5} + 29\nu ) / 5 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 2\nu^{5} + 33\nu ) / 5 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 6\nu^{7} + 139\nu^{3} ) / 5 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 7\nu^{7} + 158\nu^{3} ) / 5 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( \nu^{4} + 12 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( -13\nu^{6} - 287\nu^{2} ) / 5 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -\beta_{3} + 2\beta_{2} ) / 5 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{7} + 13\beta_1 ) / 5 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -6\beta_{5} + 7\beta_{4} ) / 5 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( \beta_{6} - 12 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 29\beta_{3} - 33\beta_{2} ) / 5 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( -24\beta_{7} - 287\beta_1 ) / 5 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 139\beta_{5} - 158\beta_{4} ) / 5 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/175\mathbb{Z}\right)^\times\).

\(n\) \(101\) \(127\)
\(\chi(n)\) \(-1\) \(\beta_{1}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
118.1
−1.54779 + 1.54779i
0.323042 0.323042i
−0.323042 + 0.323042i
1.54779 1.54779i
−1.54779 1.54779i
0.323042 + 0.323042i
−0.323042 0.323042i
1.54779 + 1.54779i
−3.99728 + 3.99728i 0 23.9564i 0 0 −13.0958 + 13.0958i 63.7823 + 63.7823i 27.0000i 0
118.2 −2.12645 + 2.12645i 0 1.04356i 0 0 13.0958 13.0958i −14.7925 14.7925i 27.0000i 0
118.3 2.12645 2.12645i 0 1.04356i 0 0 −13.0958 + 13.0958i 14.7925 + 14.7925i 27.0000i 0
118.4 3.99728 3.99728i 0 23.9564i 0 0 13.0958 13.0958i −63.7823 63.7823i 27.0000i 0
132.1 −3.99728 3.99728i 0 23.9564i 0 0 −13.0958 13.0958i 63.7823 63.7823i 27.0000i 0
132.2 −2.12645 2.12645i 0 1.04356i 0 0 13.0958 + 13.0958i −14.7925 + 14.7925i 27.0000i 0
132.3 2.12645 + 2.12645i 0 1.04356i 0 0 −13.0958 13.0958i 14.7925 14.7925i 27.0000i 0
132.4 3.99728 + 3.99728i 0 23.9564i 0 0 13.0958 + 13.0958i −63.7823 + 63.7823i 27.0000i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 118.4
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
7.b odd 2 1 CM by \(\Q(\sqrt{-7}) \)
5.b even 2 1 inner
5.c odd 4 2 inner
35.c odd 2 1 inner
35.f even 4 2 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 175.4.f.f 8
5.b even 2 1 inner 175.4.f.f 8
5.c odd 4 2 inner 175.4.f.f 8
7.b odd 2 1 CM 175.4.f.f 8
35.c odd 2 1 inner 175.4.f.f 8
35.f even 4 2 inner 175.4.f.f 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
175.4.f.f 8 1.a even 1 1 trivial
175.4.f.f 8 5.b even 2 1 inner
175.4.f.f 8 5.c odd 4 2 inner
175.4.f.f 8 7.b odd 2 1 CM
175.4.f.f 8 35.c odd 2 1 inner
175.4.f.f 8 35.f even 4 2 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{8} + 1103T_{2}^{4} + 83521 \) acting on \(S_{4}^{\mathrm{new}}(175, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{8} + 1103 T^{4} + 83521 \) Copy content Toggle raw display
$3$ \( T^{8} \) Copy content Toggle raw display
$5$ \( T^{8} \) Copy content Toggle raw display
$7$ \( (T^{4} + 117649)^{2} \) Copy content Toggle raw display
$11$ \( (T^{2} - 68 T + 631)^{4} \) Copy content Toggle raw display
$13$ \( T^{8} \) Copy content Toggle raw display
$17$ \( T^{8} \) Copy content Toggle raw display
$19$ \( T^{8} \) Copy content Toggle raw display
$23$ \( T^{8} + \cdots + 12\!\cdots\!21 \) Copy content Toggle raw display
$29$ \( (T^{4} + 118778 T^{2} + 2080363321)^{2} \) Copy content Toggle raw display
$31$ \( T^{8} \) Copy content Toggle raw display
$37$ \( T^{8} + \cdots + 53\!\cdots\!81 \) Copy content Toggle raw display
$41$ \( T^{8} \) Copy content Toggle raw display
$43$ \( T^{8} + \cdots + 49\!\cdots\!01 \) Copy content Toggle raw display
$47$ \( T^{8} \) Copy content Toggle raw display
$53$ \( (T^{4} + 61210718464)^{2} \) Copy content Toggle raw display
$59$ \( T^{8} \) Copy content Toggle raw display
$61$ \( T^{8} \) Copy content Toggle raw display
$67$ \( T^{8} + \cdots + 37\!\cdots\!61 \) Copy content Toggle raw display
$71$ \( (T^{2} - 688 T - 600389)^{4} \) Copy content Toggle raw display
$73$ \( T^{8} \) Copy content Toggle raw display
$79$ \( (T^{4} + 1042778 T^{2} + 190391722921)^{2} \) Copy content Toggle raw display
$83$ \( T^{8} \) Copy content Toggle raw display
$89$ \( T^{8} \) Copy content Toggle raw display
$97$ \( T^{8} \) Copy content Toggle raw display
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