Finite Group Databasebeta

C7×#2820 #11742129

order896
nilpotency class2
isoclinismisoclinic class of #2812
automorphism?
homologyAbelianization (H1) = C24×C7 · Schur multiplier (H2) = C23×C4

Aliases

direct productC7×#2820

Subgroups

subgroupG/H
center, socleC23×C7C24
commutator, Frattini, cosocleC23C24×C7
prime radicalC22×C7×D4C22
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23×C7 ◁ G

464 conjugacy classes of subgroups; only the 184 normal subgroups are shown.

normal subgroups only

This group has 464 conjugacy classes of subgroups — too many to draw. Only its 184 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) = 448

A minimal faithful permutation representation — 4 generators on 27 points:

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

Conjugacy classes & character table

182 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#13255081, #13255100, #13255107, …
maximal subgroup ofC7×#10079, C7×#10082, C7×#10083, …
maximal normal subgroup ofC7×#10079, C7×#10082, C7×#10083, …
maximal quotient ofC7×#14624, C7×#14626, C7×#14628, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 16895);