Finite Group Databasebeta

C7×#2140 #11730609

order896
nilpotency class4
isoclinismisoclinic class of #509
automorphism?
homologyAbelianization (H1) = C22×C4×C7 · Schur multiplier (H2) = C22×C4

Aliases

direct productC7×#2140

Subgroups

subgroupG/H
center, socleC22×C7C2×D8
commutatorC8C22×C4×C7
Frattini, cosocleC2×C8C23×C7
prime radicalC22×C7×D8C2
LCSG ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C7 ◁ C22×C4×C7 ◁ C22×C7×C8 ◁ G

260 conjugacy classes of subgroups; only the 104 normal subgroups are shown.

normal subgroups only

This group has 260 conjugacy classes of subgroups — too many to draw. Only its 104 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)(14,19)(15,18)(16,25)(17,21)(20,23)(22,26)(24,27);(13,18)(14,16)(15,23)(19,20)(21,27)(22,24)(25,26);(12,14,17,16)(13,19,21,25)(15,22,24,23)(18,26,27,20)

Conjugacy classes & character table

224 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#13269069, #13269480, #13269533, …
maximal subgroup ofC7×#12647, C7×#12741, C7×#12750, …
maximal normal subgroup ofC7×#12647, C7×#12741, C7×#12750, …
maximal quotient ofC7×#11593, C7×#11649, C7×#11661, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 5375);