Properties

Label 18.42.c.b
Level $18$
Weight $42$
Character orbit 18.c
Analytic conductor $191.649$
Analytic rank $0$
Dimension $42$
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [18,42,Mod(7,18)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(18, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([4]))
 
N = Newforms(chi, 42, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("18.7");
 
S:= CuspForms(chi, 42);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 18 = 2 \cdot 3^{2} \)
Weight: \( k \) \(=\) \( 42 \)
Character orbit: \([\chi]\) \(=\) 18.c (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: \(191.649006822\)
Analytic rank: \(0\)
Dimension: \(42\)
Relative dimension: \(21\) over \(\Q(\zeta_{3})\)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{3}]$

$q$-expansion

The algebraic \(q\)-expansion of this newform has not been computed, but we have computed the trace expansion.

\(\operatorname{Tr}(f)(q) = \) \( 42 q - 22020096 q^{2} - 5376563127 q^{3} - 23089744183296 q^{4} - 57026267983854 q^{5} + 36\!\cdots\!24 q^{6}+ \cdots + 80\!\cdots\!69 q^{9}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 42 q - 22020096 q^{2} - 5376563127 q^{3} - 23089744183296 q^{4} - 57026267983854 q^{5} + 36\!\cdots\!24 q^{6}+ \cdots - 69\!\cdots\!22 q^{99}+O(q^{100}) \) Copy content Toggle raw display

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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
7.1 −524288. + 908093.i −6.03926e9 + 1.89408e7i −5.49756e11 9.52205e11i −1.32388e14 2.29303e14i 3.14911e15 5.49414e15i 1.00444e17 1.73974e17i 1.15292e18 3.64723e19 2.28776e17i 2.77638e20
7.2 −524288. + 908093.i −6.03769e9 1.38980e8i −5.49756e11 9.52205e11i 1.53400e14 + 2.65696e14i 3.29169e15 5.40992e15i −9.97031e16 + 1.72691e17i 1.15292e18 3.64344e19 + 1.67824e18i −3.21703e20
7.3 −524288. + 908093.i −5.85214e9 + 1.49181e9i −5.49756e11 9.52205e11i −1.65929e14 2.87398e14i 1.71350e15 6.09643e15i 6.34928e16 1.09973e17i 1.15292e18 3.20220e19 1.74606e19i 3.47979e20
7.4 −524288. + 908093.i −5.66353e9 + 2.09701e9i −5.49756e11 9.52205e11i 1.03807e14 + 1.79800e14i 1.06504e15 6.24245e15i 9.12153e16 1.57989e17i 1.15292e18 2.76781e19 2.37529e19i −2.17700e20
7.5 −524288. + 908093.i −5.17511e9 3.11308e9i −5.49756e11 9.52205e11i −3.95214e13 6.84531e13i 5.54021e15 3.06733e15i −1.87835e17 + 3.25340e17i 1.15292e18 1.70905e19 + 3.22210e19i 8.28825e19
7.6 −524288. + 908093.i −4.52831e9 + 3.99592e9i −5.49756e11 9.52205e11i −4.28249e13 7.41749e13i −1.25453e15 6.20714e15i −1.01496e17 + 1.75797e17i 1.15292e18 4.53818e18 3.61896e19i 8.98103e19
7.7 −524288. + 908093.i −3.73854e9 4.74303e9i −5.49756e11 9.52205e11i 1.22684e14 + 2.12494e14i 6.26718e15 9.08234e14i 5.99568e16 1.03848e17i 1.15292e18 −8.51960e18 + 3.54640e19i −2.57286e20
7.8 −524288. + 908093.i −2.46633e9 5.51273e9i −5.49756e11 9.52205e11i −1.35659e14 2.34967e14i 6.29914e15 + 6.50597e14i 1.48613e16 2.57406e16i 1.15292e18 −2.43074e19 + 2.71925e19i 2.84497e20
7.9 −524288. + 908093.i −1.64776e9 + 5.81015e9i −5.49756e11 9.52205e11i 3.72247e13 + 6.44750e13i −4.41226e15 4.54251e15i 1.48093e17 2.56505e17i 1.15292e18 −3.10428e19 1.91475e19i −7.80658e19
7.10 −524288. + 908093.i −1.35330e9 + 5.88571e9i −5.49756e11 9.52205e11i −1.40864e14 2.43983e14i −4.63525e15 4.31473e15i −1.09486e17 + 1.89635e17i 1.15292e18 −3.28101e19 1.59303e19i 2.95413e20
7.11 −524288. + 908093.i 8.40890e7 + 6.03870e9i −5.49756e11 9.52205e11i 1.60686e14 + 2.78317e14i −5.52779e15 3.08966e15i −5.95865e16 + 1.03207e17i 1.15292e18 −3.64589e19 + 1.01558e18i −3.36983e20
7.12 −524288. + 908093.i 3.47673e8 6.02927e9i −5.49756e11 9.52205e11i −3.28810e13 5.69515e13i 5.29286e15 + 3.47679e15i −8.73758e15 + 1.51339e16i 1.15292e18 −3.62312e19 4.19243e18i 6.89564e19
7.13 −524288. + 908093.i 1.47338e9 5.85680e9i −5.49756e11 9.52205e11i 1.29292e14 + 2.23941e14i 4.54605e15 + 4.40862e15i 3.67136e16 6.35899e16i 1.15292e18 −3.21313e19 1.72586e19i −2.71145e20
7.14 −524288. + 908093.i 2.90157e9 + 5.29659e9i −5.49756e11 9.52205e11i −9.19168e13 1.59205e14i −6.33106e15 1.42045e14i 6.83001e16 1.18299e17i 1.15292e18 −1.96348e19 + 3.07369e19i 1.92764e20
7.15 −524288. + 908093.i 3.65385e9 4.80858e9i −5.49756e11 9.52205e11i 2.49036e13 + 4.31343e13i 2.45097e15 + 5.83911e15i −1.32312e17 + 2.29171e17i 1.15292e18 −9.77182e18 3.51396e19i −5.22267e19
7.16 −524288. + 908093.i 3.97642e9 + 4.54545e9i −5.49756e11 9.52205e11i 8.28610e13 + 1.43520e14i −6.21248e15 + 1.22784e15i −1.16479e17 + 2.01747e17i 1.15292e18 −4.84917e18 + 3.61492e19i −1.73772e20
7.17 −524288. + 908093.i 4.23874e9 4.30187e9i −5.49756e11 9.52205e11i −1.27772e14 2.21308e14i 1.68417e15 + 6.10459e15i 1.95491e17 3.38600e17i 1.15292e18 −5.39103e17 3.64690e19i 2.67957e20
7.18 −524288. + 908093.i 5.46332e9 2.57394e9i −5.49756e11 9.52205e11i 1.96886e14 + 3.41016e14i −5.26975e14 + 6.31069e15i 1.26420e17 2.18967e17i 1.15292e18 2.32227e19 2.81245e19i −4.12899e20
7.19 −524288. + 908093.i 5.68489e9 + 2.03839e9i −5.49756e11 9.52205e11i −3.40036e13 5.88960e13i −4.83157e15 + 4.09370e15i 1.02131e17 1.76896e17i 1.15292e18 2.81629e19 + 2.31761e19i 7.13108e19
7.20 −524288. + 908093.i 5.96222e9 9.61756e8i −5.49756e11 9.52205e11i −1.88834e14 3.27070e14i −2.25255e15 + 5.91849e15i −1.39263e17 + 2.41211e17i 1.15292e18 3.46230e19 1.14684e19i 3.96013e20
See all 42 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 7.21
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
9.c even 3 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 18.42.c.b 42
9.c even 3 1 inner 18.42.c.b 42
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
18.42.c.b 42 1.a even 1 1 trivial
18.42.c.b 42 9.c even 3 1 inner