,"Difficulty level","Fact about"
"Intermediately normal-to-characteristic implies intermediately characteristic in nilpotent",,"Nilpotent group; ?,Intermediately normal-to-characteristic subgroup; ?,Intermediately characteristic subgroup; ?,Intermediately normal-to-characteristic subgroup of nilpotent group; 2,Intermediately characteristic subgroup of nilpotent group; 3"
"Intermediately normal-to-characteristic implies intermediately subnormal-to-normal",,"Intermediately normal-to-characteristic subgroup; 2,Intermediately subnormal-to-normal subgroup; 2"
"Intermediately normal-to-characteristic of normal implies intermediately subnormal-to-normal",,"Composition operator; ?,Intermediately normal-to-characteristic subgroup; ?,Normal subgroup; ?,Intermediately subnormal-to-normal subgroup; ?"