Finite Group DatabasebetaFinite Group Databasebeta| order | 224 |
| isoclinism | isoclinic class of Dic14 |
| automorphism | Aut(G) = AGL(1,𝔽7)×#2021 (order 5376) · Inn(G) = C2×D7 · Out(G) = C3×#392 |
| homology | Abelianization (H1) = C42 · Schur multiplier (H2) = C2 |
No aliases for this group.
| Sylow | C7 ⋊ #97 |
| subgroup | G/H | |
|---|---|---|
| center, Frattini | C2×C4 | C2×D7 |
| commutator | C2×C7 | C42 |
| Fitting | C42×C7 | C2 |
| socle, prime radical | C22×C7 | C2×C4 |
| cosocle | C2×C4×C7 | C22 |
| hypercenter | C42 | D7 |
| hypocenter | C7 | #97 |
| LCS | G ▷ C2×C7 ▷ C7 | |
| UCS | C1 ◁ C2×C4 ◁ C42 | |
40 conjugacy classes of subgroups.
| minimal degree | μ(G) = 19 |
| transitive degree | μt(G) = 224 |
A minimal faithful permutation representation — 2 generators on 19 points:
(1,2,4,6,7,5,3)(8,9,10,11)(13,16)(17,19);(2,3)(4,5)(6,7)(12,13,14,17,15,16,18,19)Polycyclic presentation:
2^5,7|a^2=c,b^2=d,c^2=e,b^a=be,f^a=f^668 conjugacy classes — view the full character table.
| maximal subgroup of | #89259, #89260, #89335, … |
| maximal normal subgroup of | #89259, #89260, #89335, … |
| maximal quotient of | #89249, #89261, #89319, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(224, 9);