Finite Group Databasebeta

C7×#1387 #11725753

order896
nilpotency class4
isoclinismisoclinic class of #360
automorphism?
homologyAbelianization (H1) = C42×C7 · Schur multiplier (H2) = C22

Aliases

direct productC7×#1387

Subgroups

subgroupG/H
center, socleC22×C7#102
commutatorC8C42×C7
Frattini, cosocleC22×C8C22×C7
prime radicalC23×C7SD16
LCSG ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C7 ◁ C22×C4×C7 ◁ C22×C7×C8 ◁ G

136 conjugacy classes of subgroups; only the 80 normal subgroups are shown.

normal subgroups only

This group has 136 conjugacy classes of subgroups — too many to draw. Only its 80 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 — 2 generators on 27 points:

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

Conjugacy classes & character table

224 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofD7×#1387, #13268721, #13269048, …
maximal subgroup ofC2×C7×#1387, C7×#12569, C4×C7×#361, …
maximal normal subgroup ofC2×C7×#1387, C7×#12569, C4×C7×#361, …
maximal quotient ofC7×#7159, C7×#7176, C7×#7178, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 519);