Finite Group Databasebeta

C7×#1945 #11730414

order896
nilpotency class3
isoclinismisoclinic class of #465
automorphism?
homologyAbelianization (H1) = C22×C4×C7 · Schur multiplier (H2) = C22

Aliases

direct productC7×#1945

Subgroups

subgroupG/H
centerC2×C4×C7C2×D4
commutatorC2×C4C22×C4×C7
Frattini, cosocleC22×C4C23×C7
socleC22×C7C4×D4
prime radicalC23×C7#41
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C7 ◁ C22×C7×C8 ◁ G

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

normal subgroups only

This group has 208 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)(8,9)(10,11)(12,13,17,21,18,22,16,26)(14,19,23,27,24,20,15,25);(9,11)(12,14,17,23,18,24,16,15)(13,19,21,27,22,20,26,25);(12,15,16,24,18,23,17,14)(13,20,21,25,22,19,26,27)

Conjugacy classes & character table

308 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#13240581, #13270415, #13270499, …
maximal subgroup ofC7×#7119, C7×#12939, C7×#12951, …
maximal normal subgroup ofC7×#7119, C7×#12939, C7×#12951, …
maximal quotient ofC7×#9593, C7×#9594, C7×#9599, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 5180);