Volume & Issue: Volume 10, Issue 1, March 2021, Pages 1-53
##### Recognition of Janko groups and some simple $K_4$-groups by the order and one irreducible character degree or character degree graph

Pages 1-10

Hoshang Behravesh; Mehdi Ghaffarzadeh; Mohsen Ghasemi; Somayeh Hekmatara

##### The character table of a sharply $5$-transitive subgroup of the alternating group of degree 12

Pages 11-30

Nick Gill; Sam Hughes

Pages 31-38

Pages 39-46

Truong Huu Dung

##### Characterization of finite groups with a unique non-nilpotent proper subgroup

Pages 47-53

Bijan Taeri; Fatemeh Tayanloo-Beyg