Finite Group Databasebeta

C7×#2128 #11730597

order896
nilpotency class4
isoclinismisoclinic class of #2127
automorphism?
homologyAbelianization (H1) = C22×C4×C7 · Schur multiplier (H2) = C2×C42

Aliases

direct productC7×#2128

Subgroups

subgroupG/H
center, socleC2×C7C2×#99
commutatorC2×C4C22×C4×C7
Frattini, cosocleC2×D4C23×C7
prime radicalC7×#535C2
LCSG ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C2×C7 ◁ C2×C4×C7 ◁ C2×C7×#41 ◁ G

270 conjugacy classes of subgroups; only the 84 normal subgroups are shown.

normal subgroups only

This group has 270 conjugacy classes of subgroups — too many to draw. Only its 84 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) = 112

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

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

Conjugacy classes & character table

161 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#13269342, #13269357, #13269397, …
maximal subgroup ofC7×#12711, C7×#12714, C7×#12722, …
maximal normal subgroup ofC7×#12711, C7×#12714, C7×#12722, …
maximal quotient ofC7×#11433, C7×#11450, C7×#11480, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 5363);