Finite Group Databasebeta

C7×#1889 #11730358

order896
nilpotency class3
isoclinismisoclinic class of B(4,𝔽2)
automorphism?
homologyAbelianization (H1) = C22×C4×C7 · Schur multiplier (H2) = C25

Aliases

direct productC7×#1889

Subgroups

subgroupG/H
center, socleC22×C7#120
commutatorC23C22×C4×C7
Frattini, cosocleC24C23×C7
prime radicalC2×C7×#120C2
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22×C7 ◁ C24×C7 ◁ G

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

normal subgroups only

This group has 578 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)(14,18,19,16)(15,17);(8,9,10,11)(12,13)(14,16)(15,17)(18,19);(12,14)(13,16)(15,19)(17,18)

Conjugacy classes & character table

224 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#13269553, #13269595, #13269605, …
maximal subgroup ofC7×#12753, C7×#12759, C7×#12761, …
maximal normal subgroup ofC7×#12753, C7×#12759, C7×#12761, …
maximal quotient ofC7×#8965, C7×#8967, C7×#9009, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 5124);