Properties

Label 2891.1.c
Level $2891$
Weight $1$
Character orbit 2891.c
Rep. character $\chi_{2891}(589,\cdot)$
Character field $\Q$
Dimension $7$
Newform subspaces $7$
Sturm bound $280$
Trace bound $17$

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Defining parameters

Level: \( N \) \(=\) \( 2891 = 7^{2} \cdot 59 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 2891.c (of order \(2\) and degree \(1\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 59 \)
Character field: \(\Q\)
Newform subspaces: \( 7 \)
Sturm bound: \(280\)
Trace bound: \(17\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{1}(2891, [\chi])\).

Total New Old
Modular forms 18 12 6
Cusp forms 10 7 3
Eisenstein series 8 5 3

The following table gives the dimensions of subspaces with specified projective image type.

\(D_n\) \(A_4\) \(S_4\) \(A_5\)
Dimension 7 0 0 0

Trace form

\( 7 q + q^{3} + 7 q^{4} + q^{5} + 6 q^{9} + O(q^{10}) \) \( 7 q + q^{3} + 7 q^{4} + q^{5} + 6 q^{9} + q^{12} - 5 q^{15} + 7 q^{16} - 2 q^{17} + q^{19} + q^{20} + 6 q^{25} - q^{27} - q^{29} + 6 q^{36} + q^{41} + q^{48} - 2 q^{51} - q^{53} - 5 q^{57} - q^{59} - 5 q^{60} + 7 q^{64} - 2 q^{68} - 4 q^{71} + q^{76} - q^{79} + q^{80} + 5 q^{81} - 2 q^{85} - q^{87} - 5 q^{95} + O(q^{100}) \)

Decomposition of \(S_{1}^{\mathrm{new}}(2891, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field Image CM RM Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
2891.1.c.a 2891.c 59.b $1$ $1.443$ \(\Q\) $D_{3}$ \(\Q(\sqrt{-59}) \) None \(0\) \(-2\) \(1\) \(0\) \(q-2q^{3}+q^{4}+q^{5}+3q^{9}-2q^{12}+\cdots\)
2891.1.c.b 2891.c 59.b $1$ $1.443$ \(\Q\) $D_{3}$ \(\Q(\sqrt{-59}) \) None \(0\) \(-1\) \(-1\) \(0\) \(q-q^{3}+q^{4}-q^{5}-q^{12}+q^{15}+q^{16}+\cdots\)
2891.1.c.c 2891.c 59.b $1$ $1.443$ \(\Q\) $D_{3}$ \(\Q(\sqrt{-59}) \) None \(0\) \(-1\) \(2\) \(0\) \(q-q^{3}+q^{4}+2q^{5}-q^{12}-2q^{15}+\cdots\)
2891.1.c.d 2891.c 59.b $1$ $1.443$ \(\Q\) $D_{3}$ \(\Q(\sqrt{-59}) \) None \(0\) \(1\) \(-2\) \(0\) \(q+q^{3}+q^{4}-2q^{5}+q^{12}-2q^{15}+\cdots\)
2891.1.c.e 2891.c 59.b $1$ $1.443$ \(\Q\) $D_{3}$ \(\Q(\sqrt{-59}) \) None \(0\) \(1\) \(1\) \(0\) \(q+q^{3}+q^{4}+q^{5}+q^{12}+q^{15}+q^{16}+\cdots\)
2891.1.c.f 2891.c 59.b $1$ $1.443$ \(\Q\) $D_{3}$ \(\Q(\sqrt{-59}) \) None \(0\) \(1\) \(1\) \(0\) \(q+q^{3}+q^{4}+q^{5}+q^{12}+q^{15}+q^{16}+\cdots\)
2891.1.c.g 2891.c 59.b $1$ $1.443$ \(\Q\) $D_{3}$ \(\Q(\sqrt{-59}) \) None \(0\) \(2\) \(-1\) \(0\) \(q+2q^{3}+q^{4}-q^{5}+3q^{9}+2q^{12}+\cdots\)

Decomposition of \(S_{1}^{\mathrm{old}}(2891, [\chi])\) into lower level spaces

\( S_{1}^{\mathrm{old}}(2891, [\chi]) \cong \) \(S_{1}^{\mathrm{new}}(59, [\chi])\)\(^{\oplus 3}\)