Finite Group Databasebeta

C7×#2159 #11730628

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

Aliases

direct productC7×#2159

Subgroups

subgroupG/H
center, socleC22×C7C2×D8
commutatorC8C22×C4×C7
Frattini, cosocleC2×C8C23×C7
prime radicalC23×C7D8
LCSG ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C7 ◁ C22×C4×C7 ◁ C22×C7×C8 ◁ G

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

normal subgroups only

This group has 156 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) = 448

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

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

Conjugacy classes & character table

224 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#13269219, #13270315, #13270325, …
maximal subgroup ofC7×#12677, C7×#12923, C7×#12925, …
maximal normal subgroup ofC7×#12677, C7×#12923, C7×#12925, …
maximal quotient ofC7×#12009, C7×#12025, C7×#12035, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 5394);