Properties

Label 2898.2.f
Level $2898$
Weight $2$
Character orbit 2898.f
Rep. character $\chi_{2898}(2393,\cdot)$
Character field $\Q$
Dimension $64$
Newform subspaces $2$
Sturm bound $1152$
Trace bound $22$

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Defining parameters

Level: \( N \) \(=\) \( 2898 = 2 \cdot 3^{2} \cdot 7 \cdot 23 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2898.f (of order \(2\) and degree \(1\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 21 \)
Character field: \(\Q\)
Newform subspaces: \( 2 \)
Sturm bound: \(1152\)
Trace bound: \(22\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(2898, [\chi])\).

Total New Old
Modular forms 592 64 528
Cusp forms 560 64 496
Eisenstein series 32 0 32

Trace form

\( 64 q - 64 q^{4} + O(q^{10}) \) \( 64 q - 64 q^{4} + 64 q^{16} - 16 q^{22} + 80 q^{25} - 48 q^{37} - 48 q^{43} + 32 q^{49} + 16 q^{58} - 64 q^{64} + 48 q^{67} + 16 q^{70} + 64 q^{79} - 32 q^{85} + 16 q^{88} - 32 q^{91} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(2898, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field CM Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
2898.2.f.a 2898.f 21.c $32$ $23.141$ None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$
2898.2.f.b 2898.f 21.c $32$ $23.141$ None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$

Decomposition of \(S_{2}^{\mathrm{old}}(2898, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(2898, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(21, [\chi])\)\(^{\oplus 8}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(42, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(63, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(126, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(483, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(966, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(1449, [\chi])\)\(^{\oplus 2}\)