Finite Group Databasebeta

C7×#1902 #11730371

order896
nilpotency class3
isoclinismisoclinic class of #1902
automorphism?
homologyAbelianization (H1) = C22×C4×C7 · Schur multiplier (H2) = C24

Aliases

direct productC7×#1902

Subgroups

subgroupG/H
center, socleC2×C7#386
commutatorC2×C4C22×C4×C7
Frattini, cosocleC22×C4C23×C7
prime radicalC2×C7×#41C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C7 ◁ C22×C4×C7 ◁ G

304 conjugacy classes of subgroups; only the 108 normal subgroups are shown.

normal subgroups only

This group has 304 conjugacy classes of subgroups — too many to draw. Only its 108 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) = 39
transitive degreeμt(G) = 224

A minimal faithful permutation representation — 3 generators on 39 points:

(1,2,3,4,5,6,7)(8,9)(10,19)(11,23,26,33)(12,27)(13,17)(14,18)(15,21)(16,25,32,24)(20,35,37,29)(22,30)(28,31)(34,36,39,38);(8,10,12,21,14,22,13,28)(9,15,17,19,18,31,27,30)(11,20,25,38,26,37,24,36)(16,29,33,34,32,35,23,39);(8,11)(9,16)(10,20)(12,25)(13,24)(14,26)(15,29)(17,33)(18,32)(19,34)(21,38)(22,37)(23,27)(28,36)(30,39)(31,35)

Conjugacy classes & character table

203 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofD7×#1902, #13355665, #13367696, …
maximal subgroup ofC2×C7×#1902, C7×#20995, C7×#22284, …
maximal normal subgroup ofC2×C7×#1902, C7×#20995, C7×#22284, …
maximal quotient ofC7×#9087, C7×#9088, C7×#9091, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 5137);