Finite Group Databasebeta

C7×#9409 #13186625

order1792
nilpotency class3
isoclinismisoclinic class of #9383
automorphism?
homologyAbelianization (H1) = C22×C4×C7 · Schur multiplier (H2) = C22×C4

Aliases

direct productC7×#9409

Subgroups

subgroupG/H
center, socleC22×C7#386
commutatorC22×C4C22×C4×C7
Frattini, cosocleC23×C4C23×C7
prime radicalC7×#2539C2
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22×C7 ◁ C23×C4×C7 ◁ G

840 conjugacy classes of subgroups; only the 130 normal subgroups are shown.

normal subgroups only

This group has 840 conjugacy classes of subgroups — too many to draw. Only its 130 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 23
transitive degreeμt(G) = 224

A minimal faithful permutation representation — 3 generators on 23 points:

(1,2,3,4,5,6,7)(8,9,11,14,12,15,10,13)(16,17,21,23,20,18,19,22);(9,13,15,14)(16,18,20,17)(19,22,21,23);(19,21)(22,23)

Conjugacy classes & character table

343 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1792, 2397);