Finite Group Databasebeta

C7×#1938 #11730407

order896
nilpotency class3
isoclinismisoclinic class of #468
automorphism?
homologyAbelianization (H1) = C22×C4×C7 · Schur multiplier (H2) = C2×C4

Aliases

direct productC7×#1938

Subgroups

subgroupG/H
centerC2×C4×C7C2×D4
commutatorC2×C4C22×C4×C7
Frattini, cosocleC22×C4C23×C7
socleC22×C7C4×D4
prime radicalC2×C7×#41C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C7 ◁ C22×C7×C8 ◁ G

222 conjugacy classes of subgroups; only the 96 normal subgroups are shown.

normal subgroups only

This group has 222 conjugacy classes of subgroups — too many to draw. Only its 96 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) = 27
transitive degreeμt(G) = 224

A minimal faithful permutation representation — 3 generators on 27 points:

(1,2,3,4,5,6,7)(8,9)(10,11)(12,13,16,20,17,21,15,18)(14,22,25,19,23,26,24,27);(13,18,21,20)(14,23)(19,26,27,22)(24,25);(9,11)(12,14,15,24,17,23,16,25)(13,19,20,26,21,27,18,22)

Conjugacy classes & character table

224 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofD7×#1938, #13356544, #13356554, …
maximal subgroup ofC2×C7×#1938, C7×#21098, C7×#21099, …
maximal normal subgroup ofC2×C7×#1938, C7×#21098, C7×#21099, …
maximal quotient ofC7×#9555, C7×#9556, C7×#9557, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 5173);