Finite Group DatabasebetaFinite Group Databasebeta| order | 128 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #2403 |
| automorphism | Aut(G) = #72234537 (order 8192) · Inn(G) = C24 · Out(G) = #6342371 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C23 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, prime radical, cosocle | C23 | C24 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
190 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 24 points:
(9,10,13,12)(11,15,16,14)(18,19)(20,24);(2,5)(6,8)(11,16)(14,15)(17,18,21,19)(20,22,24,23);(1,2)(3,6)(4,5)(7,8)(9,11,13,16)(10,14,12,15)(17,19,21,18)(20,23,24,22);(1,3,4,7)(2,6,5,8)(9,12,13,10)(11,15,16,14)(17,20)(18,22)(19,23)(21,24)Polycyclic presentation:
2^7|a^2=ef,b^2=e,c^2=f,d^2=g,b^a=be,c^a=cf,d^a=de,c^b=cg38 conjugacy classes — view the full character table.
| maximal subgroup of | #10380, #10381, C2×#2606, … |
| maximal normal subgroup of | #10380, #10381, C2×#2606, … |
| maximal quotient of | #13952, #13964, #14087, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(128, 1338);