Finite Group Databasebeta

C7×#20939 #13198155

order1792
nilpotency class3
isoclinismisoclinic class of #3019
automorphism?
homologyAbelianization (H1) = C23×C4×C7 · Schur multiplier (H2) = C27

Aliases

direct productC7×#20939

Subgroups

subgroupG/H
centerC4×C7C2×#120
commutatorC2×C4C23×C4×C7
Frattini, cosocleC22×C4C24×C7
socleC2×C7C2×#386
prime radicalC2×C7×#575C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C4×C7 ◁ C23×C4×C7 ◁ G

1668 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 39
transitive degreeμt(G) = 224

A minimal faithful permutation representation — 4 generators on 39 points:

(1,2,3,4,5,6,7)(8,9)(10,19,22,31)(11,23)(12,18)(13,27)(14,17)(15,21,30,26)(16,24)(20,35,38,29)(25,33)(28,32)(34,36,39,37);(8,10,12,26,14,22,13,21)(9,15,18,31,17,30,27,19)(11,20,24,37,25,38,28,36)(16,29,33,39,32,35,23,34);(8,11)(9,16)(10,20)(12,24)(13,28)(14,25)(15,29)(17,32)(18,33)(19,34)(21,36)(22,38)(23,27)(26,37)(30,35)(31,39);(9,17)(15,30)(16,32)(18,27)(19,31)(23,33)(29,35)(34,39)

Conjugacy classes & character table

406 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1792, 13927);