Finite Group Databasebeta

C7×#1887 #11730356

order896
nilpotency class3
isoclinismisoclinic class of #453
automorphism?
homologyAbelianization (H1) = C22×C4×C7 · Schur multiplier (H2) = C24

Aliases

direct productC7×#1887

Subgroups

subgroupG/H
center, socleC22×C7#120
commutatorC2×C4C22×C4×C7
Frattini, cosocleC22×C4C23×C7
prime radicalC2×C7×#127C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C7 ◁ C22×C4×C7 ◁ G

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

normal subgroups only

This group has 444 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) = 19
transitive degreeμt(G) = 112

A minimal faithful permutation representation — 3 generators on 19 points:

(1,2,3,4,5,6,7)(9,11)(12,13,17,19,16,14,15,18);(8,9,10,11)(12,14,16,13)(15,18,17,19);(15,17)(18,19)

Conjugacy classes & character table

224 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#13241535, #13241559, #13269598, …
maximal subgroup ofC7×#7485, C7×#7493, C7×#12759, …
maximal normal subgroup ofC7×#7485, C7×#7493, C7×#12759, …
maximal quotient ofC7×#8959, C7×#8963, C7×#9001, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 5122);