It is an icon of a circle with an arrow above it. The arrow is coming out of the top of the circle and is pointing directly up. the arrow is the same length as the circle.
This Swipe Up 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 6,000 icons, all in the same style and quality.