This icon is representing Up 3. It is an arrow pointing upwards with the base of it curving to the right side of the icon and coming to a point.
This Up 3 icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 5,500 icons, all in the same style and quality.