Finite Group Databasebeta

C7×#1970 #11730439

order896
nilpotency class3
isoclinismisoclinic class of #465
automorphism?
homologyAbelianization (H1) = C22×C4×C7 · Schur multiplier (H2) = C23×C4

Aliases

direct productC7×#1970

Subgroups

subgroupG/H
center, socleC23×C7C2×D4
commutatorC2×C4C22×C4×C7
Frattini, cosocleC22×C4C23×C7
prime radicalC22×C7×D8C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C7 ◁ C2×C42×C7 ◁ G

384 conjugacy classes of subgroups; only the 136 normal subgroups are shown.

normal subgroups only

This group has 384 conjugacy classes of subgroups — too many to draw. Only its 136 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) = 448

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

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

Conjugacy classes & character table

308 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#13240563, #13270856, #13270863, …
maximal subgroup ofC7×#7112, C7×#13012, C7×#13013, …
maximal normal subgroup ofC7×#7112, C7×#13012, C7×#13013, …
maximal quotient ofC7×#9657, C7×#9663, C7×#9719, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 5205);