Finite Group Databasebeta

C2×C7×#342 #11730208

order896
nilpotency class3
isoclinismisoclinic class of #99
automorphism?
homologyAbelianization (H1) = C2×C42×C7 · Schur multiplier (H2) = C25

Aliases

direct productC2×C7×#342

Subgroups

subgroupG/H
center, socleC23×C7C22⋊C4
commutatorC22C2×C42×C7
Frattini, cosocleC24C23×C7
prime radicalC25×C7C22
LCSG ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C23×C7 ◁ C25×C7 ◁ G

680 conjugacy classes of subgroups; only the 232 normal subgroups are shown.

normal subgroups only

This group has 680 conjugacy classes of subgroups — too many to draw. Only its 232 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) = 21
transitive degreeμt(G) = 224

A minimal faithful permutation representation — 3 generators on 21 points:

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

Conjugacy classes & character table

308 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#13240916, Dic7×#342, #13259056, …
maximal subgroup ofC7×#7250, C4×C7×#342, C7×#10725, …
maximal normal subgroup ofC7×#7250, C4×C7×#342, C7×#10725, …
maximal quotient ofC2×C7×#1280, C7×#7907, C7×#7909, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 4974);