Finite Group Databasebeta

C7×#1978 #11730447

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

Aliases

direct productC7×#1978

Subgroups

subgroupG/H
center, socleC22×C7#121
commutatorC2×C4C22×C4×C7
Frattini, cosocleC22×C4C23×C7
prime radicalC22×C7×D8C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C7 ◁ C22×C4×C7 ◁ G

316 conjugacy classes of subgroups; only the 112 normal subgroups are shown.

normal subgroups only

This group has 316 conjugacy classes of subgroups — too many to draw. Only its 112 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)(9,11)(12,13,17,21,18,20,16,14)(15,23,25,27,26,22,24,19);(8,9,10,11)(12,14,17,20,18,21,16,13)(15,22,25,27,26,23,24,19);(12,15,17,25,18,26,16,24)(13,19,14,22,20,27,21,23)

Conjugacy classes & character table

224 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#13270891, #13270898, #13270926, …
maximal subgroup ofC7×#13017, C7×#13018, C7×#13022, …
maximal normal subgroup ofC7×#13017, C7×#13018, C7×#13022, …
maximal quotient ofC7×#9668, C7×#9670, C7×#9724, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 5213);