2P_2+K_1
vertex count | 5 edge count | 6 connected component count | 1
almost Hamiltonian | apex | asymmetric | black bishop | bridgeless | cactus | chordal | chordless | chromatically nonunique | class 1 | claw-free | connected | cyclic | determined by resistance | determined by spectrum | Dutch windmill | Eulerian | geodetic | line graphs | matchstick | maximally nonhamiltonian | noncayley | nonempty | nonhamiltonian | no perfect matching | outerplanar | perfect | planar | projective planar | simple | square-free | strongly perfect | traceable | triangular snake | ungraceful | uniquely colorable | unit-distance | weakly perfect
square and singleton
6-graph 135
vertex degrees | 2 (4 vertices) | 4 (1 vertex)
radius | 1 diameter | 2 girth | 3 vertex connectivity | 1 edge connectivity | 2
-((x - 1) (x + 1)^2 (x^2 - x - 4))
(x^2 y + 3 x^2 + 3 x + 1)^2
(x^2 + x + y)^2
chromatic number | 3 edge chromatic number | 4
(1/2 (1 - sqrt(17)))^1 (-1)^2 1^1 (1/2 (1 + sqrt(17)))^1
(0 | 1 | 1 | 1 | 1 1 | 0 | 1 | 0 | 0 1 | 1 | 0 | 0 | 0 1 | 0 | 0 | 0 | 1 1 | 0 | 0 | 1 | 0)
(1 | 1 | 1 | 1 | 0 | 0 1 | 0 | 0 | 0 | 1 | 0 0 | 1 | 0 | 0 | 1 | 0 0 | 0 | 1 | 0 | 0 | 1 0 | 0 | 0 | 1 | 0 | 1)
Hosoya index | 12 Kirchhoff index | 9.333 stability index | 8 Wiener index | 14