Finite Group Databasebeta

C5×C257 #13046212

order1285
nilpotency class1
isoclinismisoclinic class of C1
automorphismAut(G) = C4×C256 (order 1024) · Inn(G) = C1 · Out(G) = C4×C256
homologyAbelianization (H1) = G · Schur multiplier (H2) = C1

Aliases

cyclicC1285
abelianC5×C257

Subgroups

subgroupG/H
centerGC1
commutator, FrattiniC1G
LCSG ▷ C1
UCSC1 ◁ G

4 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 262
transitive degreeμt(G) = 1285

A minimal faithful permutation representation — 1 generator on 262 points:

(1,2,3,4,5)(6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262)

Conjugacy classes & character table

1285 conjugacy classes. The character table is too large to display.

Relationships

center ofC5×A4×C257, C5×D7×C257, C5×D9×C257, …
derived subgroup ofD1285, C3×Dic1285, C3×#19104094, …
Fitting subgroup ofD5×C257, C5×D257, D1285
socle ofD5×C257, C5×D257, D1285, …
maximal subgroup ofD5×C257, C5×D257, D1285, …
maximal normal subgroup ofD5×C257, C5×D257, D1285, …
maximal quotient ofC2×C5×C257, C3×C5×C257, C11⋊C5×C257, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1285, 1);