insol5_2:= [ 
    MatrixGroup<5, GF(2) |
        \[ 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1,
        0, 1, 1 ],
        \[ 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0,
        0, 1, 1 ],
        \[ 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0,
        0, 0, 1 ]
        /* order = 9999360 = 2^10 * 3^2 * 5 * 7 * 31 */ >
];