Finite Group Databasebeta

C7×#1906 #11730375

order896
nilpotency class3
isoclinismisoclinic class of #471
automorphism?
homologyAbelianization (H1) = C22×C4×C7 · Schur multiplier (H2) = C24

Aliases

direct productC7×#1906

Subgroups

subgroupG/H
centerC4×C7#121
commutatorC2×C4C22×C4×C7
Frattini, cosocleC22×C4C23×C7
socleC2×C7#386
prime radicalC7×#575C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C4×C7 ◁ C22×C4×C7 ◁ G

332 conjugacy classes of subgroups; only the 108 normal subgroups are shown.

normal subgroups only

This group has 332 conjugacy classes of subgroups — too many to draw. Only its 108 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)(10,13,17,23)(11,16)(12,15)(14,18,22,19)(20,21);(8,10)(9,13,15,23)(11,19)(12,17)(14,21,22,16)(18,20);(8,10)(9,14)(11,19)(12,17)(13,21)(15,22)(16,23)(18,20)

Conjugacy classes & character table

224 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofD7×#1906, #13355707, #13360732, …
maximal subgroup ofC2×C7×#1906, C7×#21000, C7×#21558, …
maximal normal subgroup ofC2×C7×#1906, C7×#21000, C7×#21558, …
maximal quotient ofC7×#9095, C7×#9096, C7×#9097, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 5141);