Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [893,2,Mod(1,893)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(893, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([0, 0]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("893.1");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 893 = 19 \cdot 47 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 893.a (trivial) |
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: | \(7.13064090050\) |
Analytic rank: | \(0\) |
Dimension: | \(23\) |
Twist minimal: | yes |
Fricke sign: | \(-1\) |
Sato-Tate group: | $\mathrm{SU}(2)$ |
$q$-expansion
The algebraic \(q\)-expansion of this newform has not been computed, but we have computed the trace expansion.
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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1.1 | −2.80052 | −1.27216 | 5.84290 | 2.27082 | 3.56271 | 2.12395 | −10.7621 | −1.38160 | −6.35948 | ||||||||||||||||||
1.2 | −2.42555 | 3.29285 | 3.88328 | −4.06628 | −7.98697 | −3.08813 | −4.56798 | 7.84288 | 9.86296 | ||||||||||||||||||
1.3 | −2.36692 | −1.25105 | 3.60230 | −2.10346 | 2.96113 | −2.22210 | −3.79250 | −1.43488 | 4.97872 | ||||||||||||||||||
1.4 | −2.31786 | 1.19559 | 3.37246 | 4.06165 | −2.77120 | −2.19787 | −3.18116 | −1.57057 | −9.41433 | ||||||||||||||||||
1.5 | −2.30976 | 2.19978 | 3.33497 | −0.940736 | −5.08096 | 4.70927 | −3.08346 | 1.83904 | 2.17287 | ||||||||||||||||||
1.6 | −1.55024 | −0.0231152 | 0.403250 | −0.718559 | 0.0358342 | −2.40005 | 2.47535 | −2.99947 | 1.11394 | ||||||||||||||||||
1.7 | −1.45599 | −2.79210 | 0.119916 | 1.65894 | 4.06528 | 2.91693 | 2.73739 | 4.79582 | −2.41540 | ||||||||||||||||||
1.8 | −1.23080 | −0.711364 | −0.485141 | −3.43966 | 0.875545 | 5.19980 | 3.05870 | −2.49396 | 4.23352 | ||||||||||||||||||
1.9 | −1.00631 | 1.75660 | −0.987335 | 4.09447 | −1.76768 | 3.87614 | 3.00619 | 0.0856307 | −4.12032 | ||||||||||||||||||
1.10 | −0.581855 | 1.84991 | −1.66145 | −2.54642 | −1.07638 | −4.55068 | 2.13043 | 0.422168 | 1.48165 | ||||||||||||||||||
1.11 | −0.154056 | 2.58450 | −1.97627 | 1.39588 | −0.398159 | −0.0231293 | 0.612568 | 3.67966 | −0.215045 | ||||||||||||||||||
1.12 | −0.102666 | 3.45862 | −1.98946 | 0.421030 | −0.355082 | 4.07188 | 0.409581 | 8.96206 | −0.0432253 | ||||||||||||||||||
1.13 | 0.512932 | −2.70160 | −1.73690 | −0.842347 | −1.38574 | −1.17187 | −1.91678 | 4.29866 | −0.432067 | ||||||||||||||||||
1.14 | 0.772110 | 0.0389298 | −1.40385 | −2.30868 | 0.0300581 | 3.13314 | −2.62814 | −2.99848 | −1.78256 | ||||||||||||||||||
1.15 | 1.15471 | 0.480065 | −0.666651 | 2.72924 | 0.554335 | 1.99299 | −3.07920 | −2.76954 | 3.15148 | ||||||||||||||||||
1.16 | 1.28005 | −2.04631 | −0.361479 | −4.05982 | −2.61937 | −2.17032 | −3.02280 | 1.18739 | −5.19677 | ||||||||||||||||||
1.17 | 1.67375 | 3.29139 | 0.801455 | 3.83185 | 5.50899 | −3.94220 | −2.00607 | 7.83327 | 6.41357 | ||||||||||||||||||
1.18 | 1.73522 | 1.97404 | 1.01098 | 2.41866 | 3.42540 | 1.62998 | −1.71616 | 0.896853 | 4.19690 | ||||||||||||||||||
1.19 | 2.06457 | −2.37898 | 2.26244 | 3.06045 | −4.91156 | 3.81585 | 0.541831 | 2.65952 | 6.31850 | ||||||||||||||||||
1.20 | 2.37437 | 2.49960 | 3.63763 | −1.61117 | 5.93498 | 0.108357 | 3.88834 | 3.24801 | −3.82552 | ||||||||||||||||||
See all 23 embeddings |
Atkin-Lehner signs
\( p \) | Sign |
---|---|
\(19\) | \( -1 \) |
\(47\) | \( +1 \) |
Inner twists
This newform does not admit any (nontrivial) inner twists.
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 893.2.a.d | ✓ | 23 |
3.b | odd | 2 | 1 | 8037.2.a.r | 23 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
893.2.a.d | ✓ | 23 | 1.a | even | 1 | 1 | trivial |
8037.2.a.r | 23 | 3.b | odd | 2 | 1 |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator
\( T_{2}^{23} - T_{2}^{22} - 38 T_{2}^{21} + 37 T_{2}^{20} + 622 T_{2}^{19} - 586 T_{2}^{18} - 5746 T_{2}^{17} + \cdots - 315 \)
acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(893))\).